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Finding the Fourth Proportional to 482,730.80, 724,096.20 and 349,329.20

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Solution

The fourth proportional to 482,730.80, 724,096.20 and 349,329.20 is: 523,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,730.80 : 724,096.20 = 349,329.20 : x
  2. Step 2: Convert to fraction form
    482,730.80/724,096.20 = 349,329.20/x
  3. Step 3: Cross multiply
    482,730.80x = 724,096.20 × 349,329.20
  4. Step 4: Simplify right side
    482,730.80x = 252,947,946,269.04
  5. Step 5: Solve for x
    x = 252,947,946,269.04/482,730.80
  6. Step 6: Final answer
    x = 523,993.80

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