Home / 723,859.70-1,086,212.91-303,100.34

Finding the Fourth Proportional to 723,859.70, 1,086,212.91 and 303,100.34

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Solution

The fourth proportional to 723,859.70, 1,086,212.91 and 303,100.34 is: 454,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,859.70 : 1,086,212.91 = 303,100.34 : x
  2. Step 2: Convert to fraction form
    723,859.70/1,086,212.91 = 303,100.34/x
  3. Step 3: Cross multiply
    723,859.70x = 1,086,212.91 × 303,100.34
  4. Step 4: Simplify right side
    723,859.70x = 329,231,502,333.39
  5. Step 5: Solve for x
    x = 329,231,502,333.39/723,859.70
  6. Step 6: Final answer
    x = 454,827.78

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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.