Home / 755,999.20-1,132,443.60-519,608.80

Finding the Fourth Proportional to 755,999.20, 1,132,443.60 and 519,608.80

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Solution

The fourth proportional to 755,999.20, 1,132,443.60 and 519,608.80 is: 778,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,999.20 : 1,132,443.60 = 519,608.80 : x
  2. Step 2: Convert to fraction form
    755,999.20/1,132,443.60 = 519,608.80/x
  3. Step 3: Cross multiply
    755,999.20x = 1,132,443.60 × 519,608.80
  4. Step 4: Simplify right side
    755,999.20x = 588,427,660,063.68
  5. Step 5: Solve for x
    x = 588,427,660,063.68/755,999.20
  6. Step 6: Final answer
    x = 778,344.29

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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.