Home / 755,167.05-1,132,298.19-512,306.37

Finding the Fourth Proportional to 755,167.05, 1,132,298.19 and 512,306.37

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Solution

The fourth proportional to 755,167.05, 1,132,298.19 and 512,306.37 is: 768,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,167.05 : 1,132,298.19 = 512,306.37 : x
  2. Step 2: Convert to fraction form
    755,167.05/1,132,298.19 = 512,306.37/x
  3. Step 3: Cross multiply
    755,167.05x = 1,132,298.19 × 512,306.37
  4. Step 4: Simplify right side
    755,167.05x = 580,083,575,476.47
  5. Step 5: Solve for x
    x = 580,083,575,476.47/755,167.05
  6. Step 6: Final answer
    x = 768,152.66

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1.5x scale

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.