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Finding the Fourth Proportional to 325,736.20, 488,604.30 and 207,929.80

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Solution

The fourth proportional to 325,736.20, 488,604.30 and 207,929.80 is: 311,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,736.20 : 488,604.30 = 207,929.80 : x
  2. Step 2: Convert to fraction form
    325,736.20/488,604.30 = 207,929.80/x
  3. Step 3: Cross multiply
    325,736.20x = 488,604.30 × 207,929.80
  4. Step 4: Simplify right side
    325,736.20x = 101,595,394,378.14
  5. Step 5: Solve for x
    x = 101,595,394,378.14/325,736.20
  6. Step 6: Final answer
    x = 311,894.70

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