Home / 725,285.25-1,088,124.75-219,862.73

Finding the Fourth Proportional to 725,285.25, 1,088,124.75 and 219,862.73

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Solution

The fourth proportional to 725,285.25, 1,088,124.75 and 219,862.73 is: 329,853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,285.25 : 1,088,124.75 = 219,862.73 : x
  2. Step 2: Convert to fraction form
    725,285.25/1,088,124.75 = 219,862.73/x
  3. Step 3: Cross multiply
    725,285.25x = 1,088,124.75 × 219,862.73
  4. Step 4: Simplify right side
    725,285.25x = 239,238,080,835.88
  5. Step 5: Solve for x
    x = 239,238,080,835.88/725,285.25
  6. Step 6: Final answer
    x = 329,853.78

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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.