Home / 691,031.72-1,036,678.26-270,281

Finding the Fourth Proportional to 691,031.72, 1,036,678.26 and 270,281

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Solution

The fourth proportional to 691,031.72, 1,036,678.26 and 270,281 is: 405,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,031.72 : 1,036,678.26 = 270,281 : x
  2. Step 2: Convert to fraction form
    691,031.72/1,036,678.26 = 270,281/x
  3. Step 3: Cross multiply
    691,031.72x = 1,036,678.26 × 270,281
  4. Step 4: Simplify right side
    691,031.72x = 280,194,436,791.06
  5. Step 5: Solve for x
    x = 280,194,436,791.06/691,031.72
  6. Step 6: Final answer
    x = 405,472.61

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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.