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Finding the Fourth Proportional to 489,234.20, 733,851.30 and 329,801.90

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Solution

The fourth proportional to 489,234.20, 733,851.30 and 329,801.90 is: 494,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,234.20 : 733,851.30 = 329,801.90 : x
  2. Step 2: Convert to fraction form
    489,234.20/733,851.30 = 329,801.90/x
  3. Step 3: Cross multiply
    489,234.20x = 733,851.30 × 329,801.90
  4. Step 4: Simplify right side
    489,234.20x = 242,025,553,057.47
  5. Step 5: Solve for x
    x = 242,025,553,057.47/489,234.20
  6. Step 6: Final answer
    x = 494,702.85

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