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Finding the Fourth Proportional to 325,613.60, 488,420.40 and 88,980.20

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Solution

The fourth proportional to 325,613.60, 488,420.40 and 88,980.20 is: 133,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,613.60 : 488,420.40 = 88,980.20 : x
  2. Step 2: Convert to fraction form
    325,613.60/488,420.40 = 88,980.20/x
  3. Step 3: Cross multiply
    325,613.60x = 488,420.40 × 88,980.20
  4. Step 4: Simplify right side
    325,613.60x = 43,459,744,876.08
  5. Step 5: Solve for x
    x = 43,459,744,876.08/325,613.60
  6. Step 6: Final answer
    x = 133,470.30

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