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Finding the Fourth Proportional to 636,279.56, 878,071.08 and 349,793.36

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Solution

The fourth proportional to 636,279.56, 878,071.08 and 349,793.36 is: 482,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,279.56 : 878,071.08 = 349,793.36 : x
  2. Step 2: Convert to fraction form
    636,279.56/878,071.08 = 349,793.36/x
  3. Step 3: Cross multiply
    636,279.56x = 878,071.08 × 349,793.36
  4. Step 4: Simplify right side
    636,279.56x = 307,143,433,392.03
  5. Step 5: Solve for x
    x = 307,143,433,392.03/636,279.56
  6. Step 6: Final answer
    x = 482,717.74

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