Home / 725,488.03-1,088,256.30-326,129.95

Finding the Fourth Proportional to 725,488.03, 1,088,256.30 and 326,129.95

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Solution

The fourth proportional to 725,488.03, 1,088,256.30 and 326,129.95 is: 489,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,488.03 : 1,088,256.30 = 326,129.95 : x
  2. Step 2: Convert to fraction form
    725,488.03/1,088,256.30 = 326,129.95/x
  3. Step 3: Cross multiply
    725,488.03x = 1,088,256.30 × 326,129.95
  4. Step 4: Simplify right side
    725,488.03x = 354,912,972,706.19
  5. Step 5: Solve for x
    x = 354,912,972,706.19/725,488.03
  6. Step 6: Final answer
    x = 489,205.83

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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.