Home / 725,536.20-1,088,304.30-282,304.20

Finding the Fourth Proportional to 725,536.20, 1,088,304.30 and 282,304.20

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Solution

The fourth proportional to 725,536.20, 1,088,304.30 and 282,304.20 is: 423,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,536.20 : 1,088,304.30 = 282,304.20 : x
  2. Step 2: Convert to fraction form
    725,536.20/1,088,304.30 = 282,304.20/x
  3. Step 3: Cross multiply
    725,536.20x = 1,088,304.30 × 282,304.20
  4. Step 4: Simplify right side
    725,536.20x = 307,232,874,768.06
  5. Step 5: Solve for x
    x = 307,232,874,768.06/725,536.20
  6. Step 6: Final answer
    x = 423,456.30

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Double scale
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Similar ratio
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1.5x scale

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.