Home / 728,869.39-1,093,514.12-223,504.87

Finding the Fourth Proportional to 728,869.39, 1,093,514.12 and 223,504.87

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Solution

The fourth proportional to 728,869.39, 1,093,514.12 and 223,504.87 is: 335,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,869.39 : 1,093,514.12 = 223,504.87 : x
  2. Step 2: Convert to fraction form
    728,869.39/1,093,514.12 = 223,504.87/x
  3. Step 3: Cross multiply
    728,869.39x = 1,093,514.12 × 223,504.87
  4. Step 4: Simplify right side
    728,869.39x = 244,405,731,528.15
  5. Step 5: Solve for x
    x = 244,405,731,528.15/728,869.39
  6. Step 6: Final answer
    x = 335,321.71

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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.