Home / 769,706.57-1,062,149.30-425,521.89

Finding the Fourth Proportional to 769,706.57, 1,062,149.30 and 425,521.89

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Solution

The fourth proportional to 769,706.57, 1,062,149.30 and 425,521.89 is: 587,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,706.57 : 1,062,149.30 = 425,521.89 : x
  2. Step 2: Convert to fraction form
    769,706.57/1,062,149.30 = 425,521.89/x
  3. Step 3: Cross multiply
    769,706.57x = 1,062,149.30 × 425,521.89
  4. Step 4: Simplify right side
    769,706.57x = 451,967,775,470.57
  5. Step 5: Solve for x
    x = 451,967,775,470.57/769,706.57
  6. Step 6: Final answer
    x = 587,194.91

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1.5x scale

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.