Home / 725,440.96-1,088,160.06-192,962.56

Finding the Fourth Proportional to 725,440.96, 1,088,160.06 and 192,962.56

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Solution

The fourth proportional to 725,440.96, 1,088,160.06 and 192,962.56 is: 289,443.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,440.96 : 1,088,160.06 = 192,962.56 : x
  2. Step 2: Convert to fraction form
    725,440.96/1,088,160.06 = 192,962.56/x
  3. Step 3: Cross multiply
    725,440.96x = 1,088,160.06 × 192,962.56
  4. Step 4: Simplify right side
    725,440.96x = 209,974,150,867.35
  5. Step 5: Solve for x
    x = 209,974,150,867.35/725,440.96
  6. Step 6: Final answer
    x = 289,443.47

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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.