Home / 726,736.80-1,090,105.56-326,910.48

Finding the Fourth Proportional to 726,736.80, 1,090,105.56 and 326,910.48

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Solution

The fourth proportional to 726,736.80, 1,090,105.56 and 326,910.48 is: 490,365.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,736.80 : 1,090,105.56 = 326,910.48 : x
  2. Step 2: Convert to fraction form
    726,736.80/1,090,105.56 = 326,910.48/x
  3. Step 3: Cross multiply
    726,736.80x = 1,090,105.56 × 326,910.48
  4. Step 4: Simplify right side
    726,736.80x = 356,366,931,870.27
  5. Step 5: Solve for x
    x = 356,366,931,870.27/726,736.80
  6. Step 6: Final answer
    x = 490,365.88

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