Home / 763.25-1,145.23-416.57

Finding the Fourth Proportional to 763.25, 1,145.23 and 416.57

Calculator

Solution

The fourth proportional to 763.25, 1,145.23 and 416.57 is: 625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    763.25 : 1,145.23 = 416.57 : x
  2. Step 2: Convert to fraction form
    763.25/1,145.23 = 416.57/x
  3. Step 3: Cross multiply
    763.25x = 1,145.23 × 416.57
  4. Step 4: Simplify right side
    763.25x = 477,061.69
  5. Step 5: Solve for x
    x = 477,061.69/763.25
  6. Step 6: Final answer
    x = 625.04

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.