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Finding the Fourth Proportional to 474,016.68, 653,753.30 and 338,007.15

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Solution

The fourth proportional to 474,016.68, 653,753.30 and 338,007.15 is: 466,171.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,016.68 : 653,753.30 = 338,007.15 : x
  2. Step 2: Convert to fraction form
    474,016.68/653,753.30 = 338,007.15/x
  3. Step 3: Cross multiply
    474,016.68x = 653,753.30 × 338,007.15
  4. Step 4: Simplify right side
    474,016.68x = 220,973,288,046.06
  5. Step 5: Solve for x
    x = 220,973,288,046.06/474,016.68
  6. Step 6: Final answer
    x = 466,171.97

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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.