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Finding the Fourth Proportional to 548,821.75, 757,354.98 and 303,817.15

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Solution

The fourth proportional to 548,821.75, 757,354.98 and 303,817.15 is: 419,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,821.75 : 757,354.98 = 303,817.15 : x
  2. Step 2: Convert to fraction form
    548,821.75/757,354.98 = 303,817.15/x
  3. Step 3: Cross multiply
    548,821.75x = 757,354.98 × 303,817.15
  4. Step 4: Simplify right side
    548,821.75x = 230,097,431,561.91
  5. Step 5: Solve for x
    x = 230,097,431,561.91/548,821.75
  6. Step 6: Final answer
    x = 419,257.13

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