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Finding the Fourth Proportional to 488,446.70, 732,670.05 and 172,862.60

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Solution

The fourth proportional to 488,446.70, 732,670.05 and 172,862.60 is: 259,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,446.70 : 732,670.05 = 172,862.60 : x
  2. Step 2: Convert to fraction form
    488,446.70/732,670.05 = 172,862.60/x
  3. Step 3: Cross multiply
    488,446.70x = 732,670.05 × 172,862.60
  4. Step 4: Simplify right side
    488,446.70x = 126,651,249,785.13
  5. Step 5: Solve for x
    x = 126,651,249,785.13/488,446.70
  6. Step 6: Final answer
    x = 259,293.90

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