Home / 695,711.20-1,043,912.40-275,000.80

Finding the Fourth Proportional to 695,711.20, 1,043,912.40 and 275,000.80

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Solution

The fourth proportional to 695,711.20, 1,043,912.40 and 275,000.80 is: 412,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,711.20 : 1,043,912.40 = 275,000.80 : x
  2. Step 2: Convert to fraction form
    695,711.20/1,043,912.40 = 275,000.80/x
  3. Step 3: Cross multiply
    695,711.20x = 1,043,912.40 × 275,000.80
  4. Step 4: Simplify right side
    695,711.20x = 287,076,745,129.92
  5. Step 5: Solve for x
    x = 287,076,745,129.92/695,711.20
  6. Step 6: Final answer
    x = 412,637.81

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