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Finding the Fourth Proportional to 498,425.70, 747,747.90 and 245,827.20

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Solution

The fourth proportional to 498,425.70, 747,747.90 and 245,827.20 is: 368,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,425.70 : 747,747.90 = 245,827.20 : x
  2. Step 2: Convert to fraction form
    498,425.70/747,747.90 = 245,827.20/x
  3. Step 3: Cross multiply
    498,425.70x = 747,747.90 × 245,827.20
  4. Step 4: Simplify right side
    498,425.70x = 183,816,772,562.88
  5. Step 5: Solve for x
    x = 183,816,772,562.88/498,425.70
  6. Step 6: Final answer
    x = 368,794.73

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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.