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Finding the Fourth Proportional to 414,493.70, 621,740.55 and 114,974.28

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Solution

The fourth proportional to 414,493.70, 621,740.55 and 114,974.28 is: 172,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,493.70 : 621,740.55 = 114,974.28 : x
  2. Step 2: Convert to fraction form
    414,493.70/621,740.55 = 114,974.28/x
  3. Step 3: Cross multiply
    414,493.70x = 621,740.55 × 114,974.28
  4. Step 4: Simplify right side
    414,493.70x = 71,484,172,083.05
  5. Step 5: Solve for x
    x = 71,484,172,083.05/414,493.70
  6. Step 6: Final answer
    x = 172,461.42

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