Home / 725,441.96-1,088,161.56-192,963.56

Finding the Fourth Proportional to 725,441.96, 1,088,161.56 and 192,963.56

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Solution

The fourth proportional to 725,441.96, 1,088,161.56 and 192,963.56 is: 289,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,441.96 : 1,088,161.56 = 192,963.56 : x
  2. Step 2: Convert to fraction form
    725,441.96/1,088,161.56 = 192,963.56/x
  3. Step 3: Cross multiply
    725,441.96x = 1,088,161.56 × 192,963.56
  4. Step 4: Simplify right side
    725,441.96x = 209,975,528,472.75
  5. Step 5: Solve for x
    x = 209,975,528,472.75/725,441.96
  6. Step 6: Final answer
    x = 289,444.97

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Double scale
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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.