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Finding the Fourth Proportional to 574,453.60, 861,680.40 and 325,621.60

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Solution

The fourth proportional to 574,453.60, 861,680.40 and 325,621.60 is: 488,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,453.60 : 861,680.40 = 325,621.60 : x
  2. Step 2: Convert to fraction form
    574,453.60/861,680.40 = 325,621.60/x
  3. Step 3: Cross multiply
    574,453.60x = 861,680.40 × 325,621.60
  4. Step 4: Simplify right side
    574,453.60x = 280,581,750,536.64
  5. Step 5: Solve for x
    x = 280,581,750,536.64/574,453.60
  6. Step 6: Final answer
    x = 488,432.40

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