Home / 725,659.20-1,088,491.20-220,224.48

Finding the Fourth Proportional to 725,659.20, 1,088,491.20 and 220,224.48

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Solution

The fourth proportional to 725,659.20, 1,088,491.20 and 220,224.48 is: 330,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,659.20 : 1,088,491.20 = 220,224.48 : x
  2. Step 2: Convert to fraction form
    725,659.20/1,088,491.20 = 220,224.48/x
  3. Step 3: Cross multiply
    725,659.20x = 1,088,491.20 × 220,224.48
  4. Step 4: Simplify right side
    725,659.20x = 239,712,408,504.58
  5. Step 5: Solve for x
    x = 239,712,408,504.58/725,659.20
  6. Step 6: Final answer
    x = 330,337.45

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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.