Home / 870,207.18-1,305,306.76-271,168.74

Finding the Fourth Proportional to 870,207.18, 1,305,306.76 and 271,168.74

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Solution

The fourth proportional to 870,207.18, 1,305,306.76 and 271,168.74 is: 406,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,207.18 : 1,305,306.76 = 271,168.74 : x
  2. Step 2: Convert to fraction form
    870,207.18/1,305,306.76 = 271,168.74/x
  3. Step 3: Cross multiply
    870,207.18x = 1,305,306.76 × 271,168.74
  4. Step 4: Simplify right side
    870,207.18x = 353,958,389,422.68
  5. Step 5: Solve for x
    x = 353,958,389,422.68/870,207.18
  6. Step 6: Final answer
    x = 406,751.86

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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.