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Finding the Fourth Proportional to 325,829.60, 488,744.40 and 296,961.20

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Solution

The fourth proportional to 325,829.60, 488,744.40 and 296,961.20 is: 445,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,829.60 : 488,744.40 = 296,961.20 : x
  2. Step 2: Convert to fraction form
    325,829.60/488,744.40 = 296,961.20/x
  3. Step 3: Cross multiply
    325,829.60x = 488,744.40 × 296,961.20
  4. Step 4: Simplify right side
    325,829.60x = 145,138,123,517.28
  5. Step 5: Solve for x
    x = 145,138,123,517.28/325,829.60
  6. Step 6: Final answer
    x = 445,441.80

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