Home / 870,279.88-1,305,198.33-271,129.36

Finding the Fourth Proportional to 870,279.88, 1,305,198.33 and 271,129.36

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Solution

The fourth proportional to 870,279.88, 1,305,198.33 and 271,129.36 is: 406,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,279.88 : 1,305,198.33 = 271,129.36 : x
  2. Step 2: Convert to fraction form
    870,279.88/1,305,198.33 = 271,129.36/x
  3. Step 3: Cross multiply
    870,279.88x = 1,305,198.33 × 271,129.36
  4. Step 4: Simplify right side
    870,279.88x = 353,877,592,165.70
  5. Step 5: Solve for x
    x = 353,877,592,165.70/870,279.88
  6. Step 6: Final answer
    x = 406,625.04

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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.