Home / 799,284.20-1,198,909.39-259,539.89

Finding the Fourth Proportional to 799,284.20, 1,198,909.39 and 259,539.89

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Solution

The fourth proportional to 799,284.20, 1,198,909.39 and 259,539.89 is: 389,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,284.20 : 1,198,909.39 = 259,539.89 : x
  2. Step 2: Convert to fraction form
    799,284.20/1,198,909.39 = 259,539.89/x
  3. Step 3: Cross multiply
    799,284.20x = 1,198,909.39 × 259,539.89
  4. Step 4: Simplify right side
    799,284.20x = 311,164,811,200.57
  5. Step 5: Solve for x
    x = 311,164,811,200.57/799,284.20
  6. Step 6: Final answer
    x = 389,304.34

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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.