Home / 775,326.72-1,162,990.08-427,330.56

Finding the Fourth Proportional to 775,326.72, 1,162,990.08 and 427,330.56

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Solution

The fourth proportional to 775,326.72, 1,162,990.08 and 427,330.56 is: 640,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,326.72 : 1,162,990.08 = 427,330.56 : x
  2. Step 2: Convert to fraction form
    775,326.72/1,162,990.08 = 427,330.56/x
  3. Step 3: Cross multiply
    775,326.72x = 1,162,990.08 × 427,330.56
  4. Step 4: Simplify right side
    775,326.72x = 496,981,202,160.85
  5. Step 5: Solve for x
    x = 496,981,202,160.85/775,326.72
  6. Step 6: Final answer
    x = 640,995.84

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