Home / 725,188.77-1,087,619.13-275,749.34

Finding the Fourth Proportional to 725,188.77, 1,087,619.13 and 275,749.34

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Solution

The fourth proportional to 725,188.77, 1,087,619.13 and 275,749.34 is: 413,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,188.77 : 1,087,619.13 = 275,749.34 : x
  2. Step 2: Convert to fraction form
    725,188.77/1,087,619.13 = 275,749.34/x
  3. Step 3: Cross multiply
    725,188.77x = 1,087,619.13 × 275,749.34
  4. Step 4: Simplify right side
    725,188.77x = 299,910,251,830.78
  5. Step 5: Solve for x
    x = 299,910,251,830.78/725,188.77
  6. Step 6: Final answer
    x = 413,561.63

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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.