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Finding the Fourth Proportional to 425,517.40, 637,433.70 and 275,861.80

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Solution

The fourth proportional to 425,517.40, 637,433.70 and 275,861.80 is: 413,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,517.40 : 637,433.70 = 275,861.80 : x
  2. Step 2: Convert to fraction form
    425,517.40/637,433.70 = 275,861.80/x
  3. Step 3: Cross multiply
    425,517.40x = 637,433.70 × 275,861.80
  4. Step 4: Simplify right side
    425,517.40x = 175,843,607,862.66
  5. Step 5: Solve for x
    x = 175,843,607,862.66/425,517.40
  6. Step 6: Final answer
    x = 413,246.57

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