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Finding the Fourth Proportional to 362,446.80, 543,670.20 and 287,797.20

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Solution

The fourth proportional to 362,446.80, 543,670.20 and 287,797.20 is: 431,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,446.80 : 543,670.20 = 287,797.20 : x
  2. Step 2: Convert to fraction form
    362,446.80/543,670.20 = 287,797.20/x
  3. Step 3: Cross multiply
    362,446.80x = 543,670.20 × 287,797.20
  4. Step 4: Simplify right side
    362,446.80x = 156,466,761,283.44
  5. Step 5: Solve for x
    x = 156,466,761,283.44/362,446.80
  6. Step 6: Final answer
    x = 431,695.80

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