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Finding the Fourth Proportional to 532,640.80, 798,961.20 and 484,429.60

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Solution

The fourth proportional to 532,640.80, 798,961.20 and 484,429.60 is: 726,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,640.80 : 798,961.20 = 484,429.60 : x
  2. Step 2: Convert to fraction form
    532,640.80/798,961.20 = 484,429.60/x
  3. Step 3: Cross multiply
    532,640.80x = 798,961.20 × 484,429.60
  4. Step 4: Simplify right side
    532,640.80x = 387,040,454,531.52
  5. Step 5: Solve for x
    x = 387,040,454,531.52/532,640.80
  6. Step 6: Final answer
    x = 726,644.40

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