Home / 691,029.72-1,036,675.26-270,279

Finding the Fourth Proportional to 691,029.72, 1,036,675.26 and 270,279

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Solution

The fourth proportional to 691,029.72, 1,036,675.26 and 270,279 is: 405,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,029.72 : 1,036,675.26 = 270,279 : x
  2. Step 2: Convert to fraction form
    691,029.72/1,036,675.26 = 270,279/x
  3. Step 3: Cross multiply
    691,029.72x = 1,036,675.26 × 270,279
  4. Step 4: Simplify right side
    691,029.72x = 280,191,552,597.54
  5. Step 5: Solve for x
    x = 280,191,552,597.54/691,029.72
  6. Step 6: Final answer
    x = 405,469.61

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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.