Home / 476,972.55-715,459.13-177,414.30

Finding the Fourth Proportional to 476,972.55, 715,459.13 and 177,414.30

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Solution

The fourth proportional to 476,972.55, 715,459.13 and 177,414.30 is: 266,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,972.55 : 715,459.13 = 177,414.30 : x
  2. Step 2: Convert to fraction form
    476,972.55/715,459.13 = 177,414.30/x
  3. Step 3: Cross multiply
    476,972.55x = 715,459.13 × 177,414.30
  4. Step 4: Simplify right side
    476,972.55x = 126,932,680,505.79
  5. Step 5: Solve for x
    x = 126,932,680,505.79/476,972.55
  6. Step 6: Final answer
    x = 266,121.56

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1.5x scale

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.