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Finding the Fourth Proportional to 636,198.92, 877,932.24 and 349,716.95

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Solution

The fourth proportional to 636,198.92, 877,932.24 and 349,716.95 is: 482,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,198.92 : 877,932.24 = 349,716.95 : x
  2. Step 2: Convert to fraction form
    636,198.92/877,932.24 = 349,716.95/x
  3. Step 3: Cross multiply
    636,198.92x = 877,932.24 × 349,716.95
  4. Step 4: Simplify right side
    636,198.92x = 307,027,785,279.47
  5. Step 5: Solve for x
    x = 307,027,785,279.47/636,198.92
  6. Step 6: Final answer
    x = 482,597.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.