Home / 725,151.60-1,086,690.60-534,121.20

Finding the Fourth Proportional to 725,151.60, 1,086,690.60 and 534,121.20

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Solution

The fourth proportional to 725,151.60, 1,086,690.60 and 534,121.20 is: 800,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,151.60 : 1,086,690.60 = 534,121.20 : x
  2. Step 2: Convert to fraction form
    725,151.60/1,086,690.60 = 534,121.20/x
  3. Step 3: Cross multiply
    725,151.60x = 1,086,690.60 × 534,121.20
  4. Step 4: Simplify right side
    725,151.60x = 580,424,487,300.72
  5. Step 5: Solve for x
    x = 580,424,487,300.72/725,151.60
  6. Step 6: Final answer
    x = 800,418.13

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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.