Home / 725,748.53-1,088,624.61-220,313.39

Finding the Fourth Proportional to 725,748.53, 1,088,624.61 and 220,313.39

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Solution

The fourth proportional to 725,748.53, 1,088,624.61 and 220,313.39 is: 330,470.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,748.53 : 1,088,624.61 = 220,313.39 : x
  2. Step 2: Convert to fraction form
    725,748.53/1,088,624.61 = 220,313.39/x
  3. Step 3: Cross multiply
    725,748.53x = 1,088,624.61 × 220,313.39
  4. Step 4: Simplify right side
    725,748.53x = 239,838,572,823.41
  5. Step 5: Solve for x
    x = 239,838,572,823.41/725,748.53
  6. Step 6: Final answer
    x = 330,470.63

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Similar ratio
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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.