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Finding the Fourth Proportional to 497,787.30, 746,679.51 and 123,810.30

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Solution

The fourth proportional to 497,787.30, 746,679.51 and 123,810.30 is: 185,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,787.30 : 746,679.51 = 123,810.30 : x
  2. Step 2: Convert to fraction form
    497,787.30/746,679.51 = 123,810.30/x
  3. Step 3: Cross multiply
    497,787.30x = 746,679.51 × 123,810.30
  4. Step 4: Simplify right side
    497,787.30x = 92,446,614,136.95
  5. Step 5: Solve for x
    x = 92,446,614,136.95/497,787.30
  6. Step 6: Final answer
    x = 185,715.09

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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.