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Finding the Fourth Proportional to 553,391.20, 830,086.80 and 179,414.20

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Solution

The fourth proportional to 553,391.20, 830,086.80 and 179,414.20 is: 269,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,391.20 : 830,086.80 = 179,414.20 : x
  2. Step 2: Convert to fraction form
    553,391.20/830,086.80 = 179,414.20/x
  3. Step 3: Cross multiply
    553,391.20x = 830,086.80 × 179,414.20
  4. Step 4: Simplify right side
    553,391.20x = 148,929,359,152.56
  5. Step 5: Solve for x
    x = 148,929,359,152.56/553,391.20
  6. Step 6: Final answer
    x = 269,121.30

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