Home / 755,178.75-1,132,805.46-215,514.57

Finding the Fourth Proportional to 755,178.75, 1,132,805.46 and 215,514.57

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Solution

The fourth proportional to 755,178.75, 1,132,805.46 and 215,514.57 is: 323,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,178.75 : 1,132,805.46 = 215,514.57 : x
  2. Step 2: Convert to fraction form
    755,178.75/1,132,805.46 = 215,514.57/x
  3. Step 3: Cross multiply
    755,178.75x = 1,132,805.46 × 215,514.57
  4. Step 4: Simplify right side
    755,178.75x = 244,136,081,605.55
  5. Step 5: Solve for x
    x = 244,136,081,605.55/755,178.75
  6. Step 6: Final answer
    x = 323,282.51

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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.