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Finding the Fourth Proportional to 415,145.40, 622,718.10 and 332,201.40

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Solution

The fourth proportional to 415,145.40, 622,718.10 and 332,201.40 is: 498,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,145.40 : 622,718.10 = 332,201.40 : x
  2. Step 2: Convert to fraction form
    415,145.40/622,718.10 = 332,201.40/x
  3. Step 3: Cross multiply
    415,145.40x = 622,718.10 × 332,201.40
  4. Step 4: Simplify right side
    415,145.40x = 206,867,824,625.34
  5. Step 5: Solve for x
    x = 206,867,824,625.34/415,145.40
  6. Step 6: Final answer
    x = 498,302.10

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