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Finding the Fourth Proportional to 485,077.80, 727,616.70 and 366,979.80

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Solution

The fourth proportional to 485,077.80, 727,616.70 and 366,979.80 is: 550,469.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,077.80 : 727,616.70 = 366,979.80 : x
  2. Step 2: Convert to fraction form
    485,077.80/727,616.70 = 366,979.80/x
  3. Step 3: Cross multiply
    485,077.80x = 727,616.70 × 366,979.80
  4. Step 4: Simplify right side
    485,077.80x = 267,020,631,042.66
  5. Step 5: Solve for x
    x = 267,020,631,042.66/485,077.80
  6. Step 6: Final answer
    x = 550,469.70

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