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Finding the Fourth Proportional to 472,680.90, 653,149.17 and 359,306.82

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Solution

The fourth proportional to 472,680.90, 653,149.17 and 359,306.82 is: 496,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,680.90 : 653,149.17 = 359,306.82 : x
  2. Step 2: Convert to fraction form
    472,680.90/653,149.17 = 359,306.82/x
  3. Step 3: Cross multiply
    472,680.90x = 653,149.17 × 359,306.82
  4. Step 4: Simplify right side
    472,680.90x = 234,680,951,258.34
  5. Step 5: Solve for x
    x = 234,680,951,258.34/472,680.90
  6. Step 6: Final answer
    x = 496,489.18

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