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Finding the Fourth Proportional to 489,543.80, 733,970.10 and 189,908.60

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Solution

The fourth proportional to 489,543.80, 733,970.10 and 189,908.60 is: 284,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,543.80 : 733,970.10 = 189,908.60 : x
  2. Step 2: Convert to fraction form
    489,543.80/733,970.10 = 189,908.60/x
  3. Step 3: Cross multiply
    489,543.80x = 733,970.10 × 189,908.60
  4. Step 4: Simplify right side
    489,543.80x = 139,387,234,132.86
  5. Step 5: Solve for x
    x = 139,387,234,132.86/489,543.80
  6. Step 6: Final answer
    x = 284,728.83

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