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Finding the Fourth Proportional to 548,371.80, 756,755.10 and 318,984.12

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Solution

The fourth proportional to 548,371.80, 756,755.10 and 318,984.12 is: 440,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,371.80 : 756,755.10 = 318,984.12 : x
  2. Step 2: Convert to fraction form
    548,371.80/756,755.10 = 318,984.12/x
  3. Step 3: Cross multiply
    548,371.80x = 756,755.10 × 318,984.12
  4. Step 4: Simplify right side
    548,371.80x = 241,392,859,629.01
  5. Step 5: Solve for x
    x = 241,392,859,629.01/548,371.80
  6. Step 6: Final answer
    x = 440,199.26

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