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Finding the Fourth Proportional to 488,535.20, 731,490.60 and 488,535.20

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Solution

The fourth proportional to 488,535.20, 731,490.60 and 488,535.20 is: 731,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,535.20 : 731,490.60 = 488,535.20 : x
  2. Step 2: Convert to fraction form
    488,535.20/731,490.60 = 488,535.20/x
  3. Step 3: Cross multiply
    488,535.20x = 731,490.60 × 488,535.20
  4. Step 4: Simplify right side
    488,535.20x = 357,358,906,569.12
  5. Step 5: Solve for x
    x = 357,358,906,569.12/488,535.20
  6. Step 6: Final answer
    x = 731,490.60

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