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Finding the Fourth Proportional to 348,520.80, 522,781.20 and 335,398.80

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Solution

The fourth proportional to 348,520.80, 522,781.20 and 335,398.80 is: 503,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,520.80 : 522,781.20 = 335,398.80 : x
  2. Step 2: Convert to fraction form
    348,520.80/522,781.20 = 335,398.80/x
  3. Step 3: Cross multiply
    348,520.80x = 522,781.20 × 335,398.80
  4. Step 4: Simplify right side
    348,520.80x = 175,340,187,142.56
  5. Step 5: Solve for x
    x = 175,340,187,142.56/348,520.80
  6. Step 6: Final answer
    x = 503,098.20

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