Home / 475,721.28-656,525.76-314,293.53

Finding the Fourth Proportional to 475,721.28, 656,525.76 and 314,293.53

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Solution

The fourth proportional to 475,721.28, 656,525.76 and 314,293.53 is: 433,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,721.28 : 656,525.76 = 314,293.53 : x
  2. Step 2: Convert to fraction form
    475,721.28/656,525.76 = 314,293.53/x
  3. Step 3: Cross multiply
    475,721.28x = 656,525.76 × 314,293.53
  4. Step 4: Simplify right side
    475,721.28x = 206,341,798,646.33
  5. Step 5: Solve for x
    x = 206,341,798,646.33/475,721.28
  6. Step 6: Final answer
    x = 433,745.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.