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Finding the Fourth Proportional to 658,184.20, 987,276.30 and 409,352.20

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Solution

The fourth proportional to 658,184.20, 987,276.30 and 409,352.20 is: 614,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,184.20 : 987,276.30 = 409,352.20 : x
  2. Step 2: Convert to fraction form
    658,184.20/987,276.30 = 409,352.20/x
  3. Step 3: Cross multiply
    658,184.20x = 987,276.30 × 409,352.20
  4. Step 4: Simplify right side
    658,184.20x = 404,143,725,412.86
  5. Step 5: Solve for x
    x = 404,143,725,412.86/658,184.20
  6. Step 6: Final answer
    x = 614,028.30

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