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Finding the Fourth Proportional to 412,332.92, 618,118.82 and 286,032.76

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Solution

The fourth proportional to 412,332.92, 618,118.82 and 286,032.76 is: 428,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,332.92 : 618,118.82 = 286,032.76 : x
  2. Step 2: Convert to fraction form
    412,332.92/618,118.82 = 286,032.76/x
  3. Step 3: Cross multiply
    412,332.92x = 618,118.82 × 286,032.76
  4. Step 4: Simplify right side
    412,332.92x = 176,802,232,092.54
  5. Step 5: Solve for x
    x = 176,802,232,092.54/412,332.92
  6. Step 6: Final answer
    x = 428,785.15

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