Home / 725,570.56-1,088,357.06-276,188.23

Finding the Fourth Proportional to 725,570.56, 1,088,357.06 and 276,188.23

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Solution

The fourth proportional to 725,570.56, 1,088,357.06 and 276,188.23 is: 414,282.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,570.56 : 1,088,357.06 = 276,188.23 : x
  2. Step 2: Convert to fraction form
    725,570.56/1,088,357.06 = 276,188.23/x
  3. Step 3: Cross multiply
    725,570.56x = 1,088,357.06 × 276,188.23
  4. Step 4: Simplify right side
    725,570.56x = 300,591,410,009.40
  5. Step 5: Solve for x
    x = 300,591,410,009.40/725,570.56
  6. Step 6: Final answer
    x = 414,282.81

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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.