Home / 891,721.26-1,230,559.82-542,735.52

Finding the Fourth Proportional to 891,721.26, 1,230,559.82 and 542,735.52

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Solution

The fourth proportional to 891,721.26, 1,230,559.82 and 542,735.52 is: 748,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,721.26 : 1,230,559.82 = 542,735.52 : x
  2. Step 2: Convert to fraction form
    891,721.26/1,230,559.82 = 542,735.52/x
  3. Step 3: Cross multiply
    891,721.26x = 1,230,559.82 × 542,735.52
  4. Step 4: Simplify right side
    891,721.26x = 667,868,514,932.33
  5. Step 5: Solve for x
    x = 667,868,514,932.33/891,721.26
  6. Step 6: Final answer
    x = 748,965.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.