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Finding the Fourth Proportional to 362,438.80, 543,123.60 and 262,808.80

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Solution

The fourth proportional to 362,438.80, 543,123.60 and 262,808.80 is: 393,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,438.80 : 543,123.60 = 262,808.80 : x
  2. Step 2: Convert to fraction form
    362,438.80/543,123.60 = 262,808.80/x
  3. Step 3: Cross multiply
    362,438.80x = 543,123.60 × 262,808.80
  4. Step 4: Simplify right side
    362,438.80x = 142,737,661,567.68
  5. Step 5: Solve for x
    x = 142,737,661,567.68/362,438.80
  6. Step 6: Final answer
    x = 393,825.56

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