Home / 725,865.51-1,088,681.62-227,229.51

Finding the Fourth Proportional to 725,865.51, 1,088,681.62 and 227,229.51

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Solution

The fourth proportional to 725,865.51, 1,088,681.62 and 227,229.51 is: 340,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,865.51 : 1,088,681.62 = 227,229.51 : x
  2. Step 2: Convert to fraction form
    725,865.51/1,088,681.62 = 227,229.51/x
  3. Step 3: Cross multiply
    725,865.51x = 1,088,681.62 × 227,229.51
  4. Step 4: Simplify right side
    725,865.51x = 247,380,591,058.61
  5. Step 5: Solve for x
    x = 247,380,591,058.61/725,865.51
  6. Step 6: Final answer
    x = 340,807.75

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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.