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Finding the Fourth Proportional to 499,125.40, 748,688.10 and 410,551.90

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Solution

The fourth proportional to 499,125.40, 748,688.10 and 410,551.90 is: 615,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,125.40 : 748,688.10 = 410,551.90 : x
  2. Step 2: Convert to fraction form
    499,125.40/748,688.10 = 410,551.90/x
  3. Step 3: Cross multiply
    499,125.40x = 748,688.10 × 410,551.90
  4. Step 4: Simplify right side
    499,125.40x = 307,375,321,962.39
  5. Step 5: Solve for x
    x = 307,375,321,962.39/499,125.40
  6. Step 6: Final answer
    x = 615,827.85

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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.