Home / 775,634.43-1,163,456.83-270,204.96

Finding the Fourth Proportional to 775,634.43, 1,163,456.83 and 270,204.96

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Solution

The fourth proportional to 775,634.43, 1,163,456.83 and 270,204.96 is: 405,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,634.43 : 1,163,456.83 = 270,204.96 : x
  2. Step 2: Convert to fraction form
    775,634.43/1,163,456.83 = 270,204.96/x
  3. Step 3: Cross multiply
    775,634.43x = 1,163,456.83 × 270,204.96
  4. Step 4: Simplify right side
    775,634.43x = 314,371,810,912.60
  5. Step 5: Solve for x
    x = 314,371,810,912.60/775,634.43
  6. Step 6: Final answer
    x = 405,309.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.