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Finding the Fourth Proportional to 496,375.20, 744,562.80 and 307,418.40

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Solution

The fourth proportional to 496,375.20, 744,562.80 and 307,418.40 is: 461,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,375.20 : 744,562.80 = 307,418.40 : x
  2. Step 2: Convert to fraction form
    496,375.20/744,562.80 = 307,418.40/x
  3. Step 3: Cross multiply
    496,375.20x = 744,562.80 × 307,418.40
  4. Step 4: Simplify right side
    496,375.20x = 228,892,304,675.52
  5. Step 5: Solve for x
    x = 228,892,304,675.52/496,375.20
  6. Step 6: Final answer
    x = 461,127.60

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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.