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Finding the Fourth Proportional to 477,215.92, 715,860.40 and 157,243.20

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Solution

The fourth proportional to 477,215.92, 715,860.40 and 157,243.20 is: 235,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,215.92 : 715,860.40 = 157,243.20 : x
  2. Step 2: Convert to fraction form
    477,215.92/715,860.40 = 157,243.20/x
  3. Step 3: Cross multiply
    477,215.92x = 715,860.40 × 157,243.20
  4. Step 4: Simplify right side
    477,215.92x = 112,564,180,049.28
  5. Step 5: Solve for x
    x = 112,564,180,049.28/477,215.92
  6. Step 6: Final answer
    x = 235,876.83

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