Home / 725,571.56-1,088,358.56-276,189.23

Finding the Fourth Proportional to 725,571.56, 1,088,358.56 and 276,189.23

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Solution

The fourth proportional to 725,571.56, 1,088,358.56 and 276,189.23 is: 414,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,571.56 : 1,088,358.56 = 276,189.23 : x
  2. Step 2: Convert to fraction form
    725,571.56/1,088,358.56 = 276,189.23/x
  3. Step 3: Cross multiply
    725,571.56x = 1,088,358.56 × 276,189.23
  4. Step 4: Simplify right side
    725,571.56x = 300,592,912,650.31
  5. Step 5: Solve for x
    x = 300,592,912,650.31/725,571.56
  6. Step 6: Final answer
    x = 414,284.31

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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.