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Finding the Fourth Proportional to 414,725.40, 622,744.20 and 314,998.20

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Solution

The fourth proportional to 414,725.40, 622,744.20 and 314,998.20 is: 472,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,725.40 : 622,744.20 = 314,998.20 : x
  2. Step 2: Convert to fraction form
    414,725.40/622,744.20 = 314,998.20/x
  3. Step 3: Cross multiply
    414,725.40x = 622,744.20 × 314,998.20
  4. Step 4: Simplify right side
    414,725.40x = 196,163,302,060.44
  5. Step 5: Solve for x
    x = 196,163,302,060.44/414,725.40
  6. Step 6: Final answer
    x = 472,995.63

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