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Finding the Fourth Proportional to 498,472.60, 747,708.90 and 245,874.10

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Solution

The fourth proportional to 498,472.60, 747,708.90 and 245,874.10 is: 368,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,472.60 : 747,708.90 = 245,874.10 : x
  2. Step 2: Convert to fraction form
    498,472.60/747,708.90 = 245,874.10/x
  3. Step 3: Cross multiply
    498,472.60x = 747,708.90 × 245,874.10
  4. Step 4: Simplify right side
    498,472.60x = 183,842,252,849.49
  5. Step 5: Solve for x
    x = 183,842,252,849.49/498,472.60
  6. Step 6: Final answer
    x = 368,811.15

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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.