Home / 682,396.90-1,023,726.56-261,639.97

Finding the Fourth Proportional to 682,396.90, 1,023,726.56 and 261,639.97

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Solution

The fourth proportional to 682,396.90, 1,023,726.56 and 261,639.97 is: 392,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,396.90 : 1,023,726.56 = 261,639.97 : x
  2. Step 2: Convert to fraction form
    682,396.90/1,023,726.56 = 261,639.97/x
  3. Step 3: Cross multiply
    682,396.90x = 1,023,726.56 × 261,639.97
  4. Step 4: Simplify right side
    682,396.90x = 267,847,782,579.09
  5. Step 5: Solve for x
    x = 267,847,782,579.09/682,396.90
  6. Step 6: Final answer
    x = 392,510.26

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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.