Home / 427,757.44-641,275.24-269,637.36

Finding the Fourth Proportional to 427,757.44, 641,275.24 and 269,637.36

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Solution

The fourth proportional to 427,757.44, 641,275.24 and 269,637.36 is: 404,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,757.44 : 641,275.24 = 269,637.36 : x
  2. Step 2: Convert to fraction form
    427,757.44/641,275.24 = 269,637.36/x
  3. Step 3: Cross multiply
    427,757.44x = 641,275.24 × 269,637.36
  4. Step 4: Simplify right side
    427,757.44x = 172,911,762,746.97
  5. Step 5: Solve for x
    x = 172,911,762,746.97/427,757.44
  6. Step 6: Final answer
    x = 404,228.53

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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.