Home / 686,167.32-1,029,350.22-259,587.48

Finding the Fourth Proportional to 686,167.32, 1,029,350.22 and 259,587.48

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Solution

The fourth proportional to 686,167.32, 1,029,350.22 and 259,587.48 is: 389,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,167.32 : 1,029,350.22 = 259,587.48 : x
  2. Step 2: Convert to fraction form
    686,167.32/1,029,350.22 = 259,587.48/x
  3. Step 3: Cross multiply
    686,167.32x = 1,029,350.22 × 259,587.48
  4. Step 4: Simplify right side
    686,167.32x = 267,206,429,647.25
  5. Step 5: Solve for x
    x = 267,206,429,647.25/686,167.32
  6. Step 6: Final answer
    x = 389,418.76

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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.