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Finding the Fourth Proportional to 632,006.70, 948,010.05 and 408,057.90

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Solution

The fourth proportional to 632,006.70, 948,010.05 and 408,057.90 is: 612,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,006.70 : 948,010.05 = 408,057.90 : x
  2. Step 2: Convert to fraction form
    632,006.70/948,010.05 = 408,057.90/x
  3. Step 3: Cross multiply
    632,006.70x = 948,010.05 × 408,057.90
  4. Step 4: Simplify right side
    632,006.70x = 386,842,990,181.90
  5. Step 5: Solve for x
    x = 386,842,990,181.90/632,006.70
  6. Step 6: Final answer
    x = 612,086.85

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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.