CHAPTER 4 Ratio, Proportion, and Percent
![](https://opentextbc.ca/accessibilitytoolkit/wp-content/uploads/sites/333/2020/08/debt-300x142.png)
When you apply for a mortgage, the loan officer will compare your total debt to your total income to decide if you qualify for the loan. This comparison is called the debt-to-income ratio. A ratio compares two quantities that are measured with the same unit. If we compare and
, the ratio is written as