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Finding the Fourth Proportional to 454,517.10, 681,775.65 and 328,545.90

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Solution

The fourth proportional to 454,517.10, 681,775.65 and 328,545.90 is: 492,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,517.10 : 681,775.65 = 328,545.90 : x
  2. Step 2: Convert to fraction form
    454,517.10/681,775.65 = 328,545.90/x
  3. Step 3: Cross multiply
    454,517.10x = 681,775.65 × 328,545.90
  4. Step 4: Simplify right side
    454,517.10x = 223,994,594,527.34
  5. Step 5: Solve for x
    x = 223,994,594,527.34/454,517.10
  6. Step 6: Final answer
    x = 492,818.85

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Similar ratio
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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.