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Finding the Fourth Proportional to 498,902.70, 748,354.05 and 446,025.90

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Solution

The fourth proportional to 498,902.70, 748,354.05 and 446,025.90 is: 669,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,902.70 : 748,354.05 = 446,025.90 : x
  2. Step 2: Convert to fraction form
    498,902.70/748,354.05 = 446,025.90/x
  3. Step 3: Cross multiply
    498,902.70x = 748,354.05 × 446,025.90
  4. Step 4: Simplify right side
    498,902.70x = 333,785,288,669.90
  5. Step 5: Solve for x
    x = 333,785,288,669.90/498,902.70
  6. Step 6: Final answer
    x = 669,038.85

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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.