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Finding the Fourth Proportional to 659,292.49, 986,240.94 and 498,170.73

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Solution

The fourth proportional to 659,292.49, 986,240.94 and 498,170.73 is: 745,217.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,292.49 : 986,240.94 = 498,170.73 : x
  2. Step 2: Convert to fraction form
    659,292.49/986,240.94 = 498,170.73/x
  3. Step 3: Cross multiply
    659,292.49x = 986,240.94 × 498,170.73
  4. Step 4: Simplify right side
    659,292.49x = 491,316,369,493.25
  5. Step 5: Solve for x
    x = 491,316,369,493.25/659,292.49
  6. Step 6: Final answer
    x = 745,217.61

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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.