Home / 769,147.89-1,061,417.88-424,982.43

Finding the Fourth Proportional to 769,147.89, 1,061,417.88 and 424,982.43

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Solution

The fourth proportional to 769,147.89, 1,061,417.88 and 424,982.43 is: 586,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,147.89 : 1,061,417.88 = 424,982.43 : x
  2. Step 2: Convert to fraction form
    769,147.89/1,061,417.88 = 424,982.43/x
  3. Step 3: Cross multiply
    769,147.89x = 1,061,417.88 × 424,982.43
  4. Step 4: Simplify right side
    769,147.89x = 451,083,949,887.85
  5. Step 5: Solve for x
    x = 451,083,949,887.85/769,147.89
  6. Step 6: Final answer
    x = 586,472.33

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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.