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Finding the Fourth Proportional to 410,827.20, 616,240.80 and 115,300.80

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Solution

The fourth proportional to 410,827.20, 616,240.80 and 115,300.80 is: 172,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,827.20 : 616,240.80 = 115,300.80 : x
  2. Step 2: Convert to fraction form
    410,827.20/616,240.80 = 115,300.80/x
  3. Step 3: Cross multiply
    410,827.20x = 616,240.80 × 115,300.80
  4. Step 4: Simplify right side
    410,827.20x = 71,053,057,232.64
  5. Step 5: Solve for x
    x = 71,053,057,232.64/410,827.20
  6. Step 6: Final answer
    x = 172,951.20

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