Home / 819,723.03-1,229,583.42-220,684.83

Finding the Fourth Proportional to 819,723.03, 1,229,583.42 and 220,684.83

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Solution

The fourth proportional to 819,723.03, 1,229,583.42 and 220,684.83 is: 331,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,723.03 : 1,229,583.42 = 220,684.83 : x
  2. Step 2: Convert to fraction form
    819,723.03/1,229,583.42 = 220,684.83/x
  3. Step 3: Cross multiply
    819,723.03x = 1,229,583.42 × 220,684.83
  4. Step 4: Simplify right side
    819,723.03x = 271,350,408,013.52
  5. Step 5: Solve for x
    x = 271,350,408,013.52/819,723.03
  6. Step 6: Final answer
    x = 331,026.94

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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.