Home / 725,439.96-1,088,158.56-192,961.56

Finding the Fourth Proportional to 725,439.96, 1,088,158.56 and 192,961.56

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Solution

The fourth proportional to 725,439.96, 1,088,158.56 and 192,961.56 is: 289,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,439.96 : 1,088,158.56 = 192,961.56 : x
  2. Step 2: Convert to fraction form
    725,439.96/1,088,158.56 = 192,961.56/x
  3. Step 3: Cross multiply
    725,439.96x = 1,088,158.56 × 192,961.56
  4. Step 4: Simplify right side
    725,439.96x = 209,972,773,264.95
  5. Step 5: Solve for x
    x = 209,972,773,264.95/725,439.96
  6. Step 6: Final answer
    x = 289,441.97

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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.