Home / 498,456.20-747,793.65-245,857.70

Finding the Fourth Proportional to 498,456.20, 747,793.65 and 245,857.70

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Solution

The fourth proportional to 498,456.20, 747,793.65 and 245,857.70 is: 368,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,456.20 : 747,793.65 = 245,857.70 : x
  2. Step 2: Convert to fraction form
    498,456.20/747,793.65 = 245,857.70/x
  3. Step 3: Cross multiply
    498,456.20x = 747,793.65 × 245,857.70
  4. Step 4: Simplify right side
    498,456.20x = 183,850,826,863.61
  5. Step 5: Solve for x
    x = 183,850,826,863.61/498,456.20
  6. Step 6: Final answer
    x = 368,840.49

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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.