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Finding the Fourth Proportional to 462,846.80, 694,270.20 and 130,422.80

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Solution

The fourth proportional to 462,846.80, 694,270.20 and 130,422.80 is: 195,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,846.80 : 694,270.20 = 130,422.80 : x
  2. Step 2: Convert to fraction form
    462,846.80/694,270.20 = 130,422.80/x
  3. Step 3: Cross multiply
    462,846.80x = 694,270.20 × 130,422.80
  4. Step 4: Simplify right side
    462,846.80x = 90,548,663,440.56
  5. Step 5: Solve for x
    x = 90,548,663,440.56/462,846.80
  6. Step 6: Final answer
    x = 195,634.20

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