Home / 725,207.52-1,087,647.24-275,768.12

Finding the Fourth Proportional to 725,207.52, 1,087,647.24 and 275,768.12

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Solution

The fourth proportional to 725,207.52, 1,087,647.24 and 275,768.12 is: 413,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,207.52 : 1,087,647.24 = 275,768.12 : x
  2. Step 2: Convert to fraction form
    725,207.52/1,087,647.24 = 275,768.12/x
  3. Step 3: Cross multiply
    725,207.52x = 1,087,647.24 × 275,768.12
  4. Step 4: Simplify right side
    725,207.52x = 299,938,434,597.99
  5. Step 5: Solve for x
    x = 299,938,434,597.99/725,207.52
  6. Step 6: Final answer
    x = 413,589.80

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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.