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Finding the Fourth Proportional to 337,276.80, 505,915.20 and 321,724.80

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Solution

The fourth proportional to 337,276.80, 505,915.20 and 321,724.80 is: 482,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,276.80 : 505,915.20 = 321,724.80 : x
  2. Step 2: Convert to fraction form
    337,276.80/505,915.20 = 321,724.80/x
  3. Step 3: Cross multiply
    337,276.80x = 505,915.20 × 321,724.80
  4. Step 4: Simplify right side
    337,276.80x = 162,765,466,536.96
  5. Step 5: Solve for x
    x = 162,765,466,536.96/337,276.80
  6. Step 6: Final answer
    x = 482,587.20

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