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Finding the Fourth Proportional to 488,407.20, 732,610.80 and 204,048.60

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Solution

The fourth proportional to 488,407.20, 732,610.80 and 204,048.60 is: 306,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,407.20 : 732,610.80 = 204,048.60 : x
  2. Step 2: Convert to fraction form
    488,407.20/732,610.80 = 204,048.60/x
  3. Step 3: Cross multiply
    488,407.20x = 732,610.80 × 204,048.60
  4. Step 4: Simplify right side
    488,407.20x = 149,488,208,084.88
  5. Step 5: Solve for x
    x = 149,488,208,084.88/488,407.20
  6. Step 6: Final answer
    x = 306,072.90

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