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Finding the Fourth Proportional to 483,234.10, 724,851.15 and 438,910.90

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Solution

The fourth proportional to 483,234.10, 724,851.15 and 438,910.90 is: 658,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,234.10 : 724,851.15 = 438,910.90 : x
  2. Step 2: Convert to fraction form
    483,234.10/724,851.15 = 438,910.90/x
  3. Step 3: Cross multiply
    483,234.10x = 724,851.15 × 438,910.90
  4. Step 4: Simplify right side
    483,234.10x = 318,145,070,612.54
  5. Step 5: Solve for x
    x = 318,145,070,612.54/483,234.10
  6. Step 6: Final answer
    x = 658,366.35

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