Home / 769,318.44-1,061,680.66-425,176.68

Finding the Fourth Proportional to 769,318.44, 1,061,680.66 and 425,176.68

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Solution

The fourth proportional to 769,318.44, 1,061,680.66 and 425,176.68 is: 586,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,318.44 : 1,061,680.66 = 425,176.68 : x
  2. Step 2: Convert to fraction form
    769,318.44/1,061,680.66 = 425,176.68/x
  3. Step 3: Cross multiply
    769,318.44x = 1,061,680.66 × 425,176.68
  4. Step 4: Simplify right side
    769,318.44x = 451,401,852,930.61
  5. Step 5: Solve for x
    x = 451,401,852,930.61/769,318.44
  6. Step 6: Final answer
    x = 586,755.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.