Home / 961.68-1,443.12-615.27

Finding the Fourth Proportional to 961.68, 1,443.12 and 615.27

Calculator

Solution

The fourth proportional to 961.68, 1,443.12 and 615.27 is: 923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    961.68 : 1,443.12 = 615.27 : x
  2. Step 2: Convert to fraction form
    961.68/1,443.12 = 615.27/x
  3. Step 3: Cross multiply
    961.68x = 1,443.12 × 615.27
  4. Step 4: Simplify right side
    961.68x = 887,908.44
  5. Step 5: Solve for x
    x = 887,908.44/961.68
  6. Step 6: Final answer
    x = 923.29

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.