Home / 725,020.20-1,087,524.90-219,580.20

Finding the Fourth Proportional to 725,020.20, 1,087,524.90 and 219,580.20

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Solution

The fourth proportional to 725,020.20, 1,087,524.90 and 219,580.20 is: 329,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,020.20 : 1,087,524.90 = 219,580.20 : x
  2. Step 2: Convert to fraction form
    725,020.20/1,087,524.90 = 219,580.20/x
  3. Step 3: Cross multiply
    725,020.20x = 1,087,524.90 × 219,580.20
  4. Step 4: Simplify right side
    725,020.20x = 238,798,935,046.98
  5. Step 5: Solve for x
    x = 238,798,935,046.98/725,020.20
  6. Step 6: Final answer
    x = 329,368.66

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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.