Home / 725,288.56-1,087,932.64-226,652.56

Finding the Fourth Proportional to 725,288.56, 1,087,932.64 and 226,652.56

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Solution

The fourth proportional to 725,288.56, 1,087,932.64 and 226,652.56 is: 339,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,288.56 : 1,087,932.64 = 226,652.56 : x
  2. Step 2: Convert to fraction form
    725,288.56/1,087,932.64 = 226,652.56/x
  3. Step 3: Cross multiply
    725,288.56x = 1,087,932.64 × 226,652.56
  4. Step 4: Simplify right side
    725,288.56x = 246,582,717,963.56
  5. Step 5: Solve for x
    x = 246,582,717,963.56/725,288.56
  6. Step 6: Final answer
    x = 339,978.78

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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.