Home / 725,186.52-1,087,615.76-275,747.09

Finding the Fourth Proportional to 725,186.52, 1,087,615.76 and 275,747.09

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Solution

The fourth proportional to 725,186.52, 1,087,615.76 and 275,747.09 is: 413,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,186.52 : 1,087,615.76 = 275,747.09 : x
  2. Step 2: Convert to fraction form
    725,186.52/1,087,615.76 = 275,747.09/x
  3. Step 3: Cross multiply
    725,186.52x = 1,087,615.76 × 275,747.09
  4. Step 4: Simplify right side
    725,186.52x = 299,906,874,041.32
  5. Step 5: Solve for x
    x = 299,906,874,041.32/725,186.52
  6. Step 6: Final answer
    x = 413,558.26

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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.