Home / 756,003.20-1,132,449.60-519,612.80

Finding the Fourth Proportional to 756,003.20, 1,132,449.60 and 519,612.80

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Solution

The fourth proportional to 756,003.20, 1,132,449.60 and 519,612.80 is: 778,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,003.20 : 1,132,449.60 = 519,612.80 : x
  2. Step 2: Convert to fraction form
    756,003.20/1,132,449.60 = 519,612.80/x
  3. Step 3: Cross multiply
    756,003.20x = 1,132,449.60 × 519,612.80
  4. Step 4: Simplify right side
    756,003.20x = 588,435,307,514.88
  5. Step 5: Solve for x
    x = 588,435,307,514.88/756,003.20
  6. Step 6: Final answer
    x = 778,350.29

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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.