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Finding the Fourth Proportional to 325,897.20, 488,845.80 and 247,165.20

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Solution

The fourth proportional to 325,897.20, 488,845.80 and 247,165.20 is: 370,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,897.20 : 488,845.80 = 247,165.20 : x
  2. Step 2: Convert to fraction form
    325,897.20/488,845.80 = 247,165.20/x
  3. Step 3: Cross multiply
    325,897.20x = 488,845.80 × 247,165.20
  4. Step 4: Simplify right side
    325,897.20x = 120,825,669,926.16
  5. Step 5: Solve for x
    x = 120,825,669,926.16/325,897.20
  6. Step 6: Final answer
    x = 370,747.80

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