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Finding the Fourth Proportional to 415,734.70, 623,785.65 and 202,384.30

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Solution

The fourth proportional to 415,734.70, 623,785.65 and 202,384.30 is: 303,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,734.70 : 623,785.65 = 202,384.30 : x
  2. Step 2: Convert to fraction form
    415,734.70/623,785.65 = 202,384.30/x
  3. Step 3: Cross multiply
    415,734.70x = 623,785.65 × 202,384.30
  4. Step 4: Simplify right side
    415,734.70x = 126,244,422,125.30
  5. Step 5: Solve for x
    x = 126,244,422,125.30/415,734.70
  6. Step 6: Final answer
    x = 303,665.83

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