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Finding the Fourth Proportional to 665,187.30, 997,910.55 and 265,760.10

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Solution

The fourth proportional to 665,187.30, 997,910.55 and 265,760.10 is: 398,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,187.30 : 997,910.55 = 265,760.10 : x
  2. Step 2: Convert to fraction form
    665,187.30/997,910.55 = 265,760.10/x
  3. Step 3: Cross multiply
    665,187.30x = 997,910.55 × 265,760.10
  4. Step 4: Simplify right side
    665,187.30x = 265,204,807,559.06
  5. Step 5: Solve for x
    x = 265,204,807,559.06/665,187.30
  6. Step 6: Final answer
    x = 398,691.93

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