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Finding the Fourth Proportional to 865,342.84, 1,298,015.24 and 225,646

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Solution

The fourth proportional to 865,342.84, 1,298,015.24 and 225,646 is: 338,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,342.84 : 1,298,015.24 = 225,646 : x
  2. Step 2: Convert to fraction form
    865,342.84/1,298,015.24 = 225,646/x
  3. Step 3: Cross multiply
    865,342.84x = 1,298,015.24 × 225,646
  4. Step 4: Simplify right side
    865,342.84x = 292,891,946,845.04
  5. Step 5: Solve for x
    x = 292,891,946,845.04/865,342.84
  6. Step 6: Final answer
    x = 338,469.26

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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.