Home / 861,729.70-1,292,788.38-262,751.41

Finding the Fourth Proportional to 861,729.70, 1,292,788.38 and 262,751.41

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Solution

The fourth proportional to 861,729.70, 1,292,788.38 and 262,751.41 is: 394,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,729.70 : 1,292,788.38 = 262,751.41 : x
  2. Step 2: Convert to fraction form
    861,729.70/1,292,788.38 = 262,751.41/x
  3. Step 3: Cross multiply
    861,729.70x = 1,292,788.38 × 262,751.41
  4. Step 4: Simplify right side
    861,729.70x = 339,681,969,676.62
  5. Step 5: Solve for x
    x = 339,681,969,676.62/861,729.70
  6. Step 6: Final answer
    x = 394,186.22

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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.