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Finding the Fourth Proportional to 497,764.60, 746,646.90 and 123,787.60

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Solution

The fourth proportional to 497,764.60, 746,646.90 and 123,787.60 is: 185,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,764.60 : 746,646.90 = 123,787.60 : x
  2. Step 2: Convert to fraction form
    497,764.60/746,646.90 = 123,787.60/x
  3. Step 3: Cross multiply
    497,764.60x = 746,646.90 × 123,787.60
  4. Step 4: Simplify right side
    497,764.60x = 92,425,627,798.44
  5. Step 5: Solve for x
    x = 92,425,627,798.44/497,764.60
  6. Step 6: Final answer
    x = 185,681.40

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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.