Home / 695,804.80-1,043,378.20-269,540.28

Finding the Fourth Proportional to 695,804.80, 1,043,378.20 and 269,540.28

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Solution

The fourth proportional to 695,804.80, 1,043,378.20 and 269,540.28 is: 404,182.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,804.80 : 1,043,378.20 = 269,540.28 : x
  2. Step 2: Convert to fraction form
    695,804.80/1,043,378.20 = 269,540.28/x
  3. Step 3: Cross multiply
    695,804.80x = 1,043,378.20 × 269,540.28
  4. Step 4: Simplify right side
    695,804.80x = 281,232,452,173.90
  5. Step 5: Solve for x
    x = 281,232,452,173.90/695,804.80
  6. Step 6: Final answer
    x = 404,182.97

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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.