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Finding the Fourth Proportional to 489,089.60, 733,853.10 and 173,772.80

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Solution

The fourth proportional to 489,089.60, 733,853.10 and 173,772.80 is: 260,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,089.60 : 733,853.10 = 173,772.80 : x
  2. Step 2: Convert to fraction form
    489,089.60/733,853.10 = 173,772.80/x
  3. Step 3: Cross multiply
    489,089.60x = 733,853.10 × 173,772.80
  4. Step 4: Simplify right side
    489,089.60x = 127,523,707,975.68
  5. Step 5: Solve for x
    x = 127,523,707,975.68/489,089.60
  6. Step 6: Final answer
    x = 260,736.90

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