Home / 721,183.88-1,081,837.38-188,704.46

Finding the Fourth Proportional to 721,183.88, 1,081,837.38 and 188,704.46

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Solution

The fourth proportional to 721,183.88, 1,081,837.38 and 188,704.46 is: 283,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,183.88 : 1,081,837.38 = 188,704.46 : x
  2. Step 2: Convert to fraction form
    721,183.88/1,081,837.38 = 188,704.46/x
  3. Step 3: Cross multiply
    721,183.88x = 1,081,837.38 × 188,704.46
  4. Step 4: Simplify right side
    721,183.88x = 204,147,538,600.72
  5. Step 5: Solve for x
    x = 204,147,538,600.72/721,183.88
  6. Step 6: Final answer
    x = 283,072.80

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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.