Home / 725,559.24-1,088,363.43-193,080.78

Finding the Fourth Proportional to 725,559.24, 1,088,363.43 and 193,080.78

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Solution

The fourth proportional to 725,559.24, 1,088,363.43 and 193,080.78 is: 289,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,559.24 : 1,088,363.43 = 193,080.78 : x
  2. Step 2: Convert to fraction form
    725,559.24/1,088,363.43 = 193,080.78/x
  3. Step 3: Cross multiply
    725,559.24x = 1,088,363.43 × 193,080.78
  4. Step 4: Simplify right side
    725,559.24x = 210,142,059,987.88
  5. Step 5: Solve for x
    x = 210,142,059,987.88/725,559.24
  6. Step 6: Final answer
    x = 289,627.71

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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.