Home / 695,806.80-1,043,381.20-269,542.28

Finding the Fourth Proportional to 695,806.80, 1,043,381.20 and 269,542.28

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Solution

The fourth proportional to 695,806.80, 1,043,381.20 and 269,542.28 is: 404,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,806.80 : 1,043,381.20 = 269,542.28 : x
  2. Step 2: Convert to fraction form
    695,806.80/1,043,381.20 = 269,542.28/x
  3. Step 3: Cross multiply
    695,806.80x = 1,043,381.20 × 269,542.28
  4. Step 4: Simplify right side
    695,806.80x = 281,235,347,557.14
  5. Step 5: Solve for x
    x = 281,235,347,557.14/695,806.80
  6. Step 6: Final answer
    x = 404,185.97

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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.