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Finding the Fourth Proportional to 488,498.80, 732,402.60 and 188,863.60

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Solution

The fourth proportional to 488,498.80, 732,402.60 and 188,863.60 is: 283,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,498.80 : 732,402.60 = 188,863.60 : x
  2. Step 2: Convert to fraction form
    488,498.80/732,402.60 = 188,863.60/x
  3. Step 3: Cross multiply
    488,498.80x = 732,402.60 × 188,863.60
  4. Step 4: Simplify right side
    488,498.80x = 138,324,191,685.36
  5. Step 5: Solve for x
    x = 138,324,191,685.36/488,498.80
  6. Step 6: Final answer
    x = 283,161.78

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