Home / 769,709.64-1,062,167.91-425,523.66

Finding the Fourth Proportional to 769,709.64, 1,062,167.91 and 425,523.66

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Solution

The fourth proportional to 769,709.64, 1,062,167.91 and 425,523.66 is: 587,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,709.64 : 1,062,167.91 = 425,523.66 : x
  2. Step 2: Convert to fraction form
    769,709.64/1,062,167.91 = 425,523.66/x
  3. Step 3: Cross multiply
    769,709.64x = 1,062,167.91 × 425,523.66
  4. Step 4: Simplify right side
    769,709.64x = 451,977,571,286.91
  5. Step 5: Solve for x
    x = 451,977,571,286.91/769,709.64
  6. Step 6: Final answer
    x = 587,205.29

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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.