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Finding the Fourth Proportional to 348,550.10, 522,825.15 and 259,976.60

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Solution

The fourth proportional to 348,550.10, 522,825.15 and 259,976.60 is: 389,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,550.10 : 522,825.15 = 259,976.60 : x
  2. Step 2: Convert to fraction form
    348,550.10/522,825.15 = 259,976.60/x
  3. Step 3: Cross multiply
    348,550.10x = 522,825.15 × 259,976.60
  4. Step 4: Simplify right side
    348,550.10x = 135,922,304,891.49
  5. Step 5: Solve for x
    x = 135,922,304,891.49/348,550.10
  6. Step 6: Final answer
    x = 389,964.90

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