Home / 865,279.92-1,296,496.52-296,347.28

Finding the Fourth Proportional to 865,279.92, 1,296,496.52 and 296,347.28

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Solution

The fourth proportional to 865,279.92, 1,296,496.52 and 296,347.28 is: 444,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,279.92 : 1,296,496.52 = 296,347.28 : x
  2. Step 2: Convert to fraction form
    865,279.92/1,296,496.52 = 296,347.28/x
  3. Step 3: Cross multiply
    865,279.92x = 1,296,496.52 × 296,347.28
  4. Step 4: Simplify right side
    865,279.92x = 384,213,217,231.47
  5. Step 5: Solve for x
    x = 384,213,217,231.47/865,279.92
  6. Step 6: Final answer
    x = 444,033.44

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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.