Home / 725,105.52-1,087,493.85-275,666.49

Finding the Fourth Proportional to 725,105.52, 1,087,493.85 and 275,666.49

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Solution

The fourth proportional to 725,105.52, 1,087,493.85 and 275,666.49 is: 413,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,105.52 : 1,087,493.85 = 275,666.49 : x
  2. Step 2: Convert to fraction form
    725,105.52/1,087,493.85 = 275,666.49/x
  3. Step 3: Cross multiply
    725,105.52x = 1,087,493.85 × 275,666.49
  4. Step 4: Simplify right side
    725,105.52x = 299,785,612,526.09
  5. Step 5: Solve for x
    x = 299,785,612,526.09/725,105.52
  6. Step 6: Final answer
    x = 413,437.22

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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.