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Finding the Fourth Proportional to 497,724.60, 746,589.60 and 123,747.60

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Solution

The fourth proportional to 497,724.60, 746,589.60 and 123,747.60 is: 185,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,724.60 : 746,589.60 = 123,747.60 : x
  2. Step 2: Convert to fraction form
    497,724.60/746,589.60 = 123,747.60/x
  3. Step 3: Cross multiply
    497,724.60x = 746,589.60 × 123,747.60
  4. Step 4: Simplify right side
    497,724.60x = 92,388,671,184.96
  5. Step 5: Solve for x
    x = 92,388,671,184.96/497,724.60
  6. Step 6: Final answer
    x = 185,622.07

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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.