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Finding the Fourth Proportional to 414,363.79, 621,545.70 and 274,089.61

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Solution

The fourth proportional to 414,363.79, 621,545.70 and 274,089.61 is: 411,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,363.79 : 621,545.70 = 274,089.61 : x
  2. Step 2: Convert to fraction form
    414,363.79/621,545.70 = 274,089.61/x
  3. Step 3: Cross multiply
    414,363.79x = 621,545.70 × 274,089.61
  4. Step 4: Simplify right side
    414,363.79x = 170,359,217,824.95
  5. Step 5: Solve for x
    x = 170,359,217,824.95/414,363.79
  6. Step 6: Final answer
    x = 411,134.42

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