Home / 870,076.79-1,305,115.18-271,086.35

Finding the Fourth Proportional to 870,076.79, 1,305,115.18 and 271,086.35

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Solution

The fourth proportional to 870,076.79, 1,305,115.18 and 271,086.35 is: 406,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,076.79 : 1,305,115.18 = 271,086.35 : x
  2. Step 2: Convert to fraction form
    870,076.79/1,305,115.18 = 271,086.35/x
  3. Step 3: Cross multiply
    870,076.79x = 1,305,115.18 × 271,086.35
  4. Step 4: Simplify right side
    870,076.79x = 353,798,904,797.36
  5. Step 5: Solve for x
    x = 353,798,904,797.36/870,076.79
  6. Step 6: Final answer
    x = 406,629.52

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Similar ratio
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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.