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Finding the Fourth Proportional to 465,836.36, 642,876.98 and 261,951.47

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Solution

The fourth proportional to 465,836.36, 642,876.98 and 261,951.47 is: 361,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,836.36 : 642,876.98 = 261,951.47 : x
  2. Step 2: Convert to fraction form
    465,836.36/642,876.98 = 261,951.47/x
  3. Step 3: Cross multiply
    465,836.36x = 642,876.98 × 261,951.47
  4. Step 4: Simplify right side
    465,836.36x = 168,402,565,416.02
  5. Step 5: Solve for x
    x = 168,402,565,416.02/465,836.36
  6. Step 6: Final answer
    x = 361,505.85

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