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Finding the Fourth Proportional to 412,870.10, 619,306.08 and 113,354.78

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Solution

The fourth proportional to 412,870.10, 619,306.08 and 113,354.78 is: 170,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,870.10 : 619,306.08 = 113,354.78 : x
  2. Step 2: Convert to fraction form
    412,870.10/619,306.08 = 113,354.78/x
  3. Step 3: Cross multiply
    412,870.10x = 619,306.08 × 113,354.78
  4. Step 4: Simplify right side
    412,870.10x = 70,201,304,451.06
  5. Step 5: Solve for x
    x = 70,201,304,451.06/412,870.10
  6. Step 6: Final answer
    x = 170,032.43

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