Home / 725,514.88-1,088,274.88-220,080.24

Finding the Fourth Proportional to 725,514.88, 1,088,274.88 and 220,080.24

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Solution

The fourth proportional to 725,514.88, 1,088,274.88 and 220,080.24 is: 330,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,514.88 : 1,088,274.88 = 220,080.24 : x
  2. Step 2: Convert to fraction form
    725,514.88/1,088,274.88 = 220,080.24/x
  3. Step 3: Cross multiply
    725,514.88x = 1,088,274.88 × 220,080.24
  4. Step 4: Simplify right side
    725,514.88x = 239,507,796,776.37
  5. Step 5: Solve for x
    x = 239,507,796,776.37/725,514.88
  6. Step 6: Final answer
    x = 330,121.14

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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.