Home / 819,604.26-1,229,406.39-258,682.50

Finding the Fourth Proportional to 819,604.26, 1,229,406.39 and 258,682.50

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Solution

The fourth proportional to 819,604.26, 1,229,406.39 and 258,682.50 is: 388,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,604.26 : 1,229,406.39 = 258,682.50 : x
  2. Step 2: Convert to fraction form
    819,604.26/1,229,406.39 = 258,682.50/x
  3. Step 3: Cross multiply
    819,604.26x = 1,229,406.39 × 258,682.50
  4. Step 4: Simplify right side
    819,604.26x = 318,025,918,481.18
  5. Step 5: Solve for x
    x = 318,025,918,481.18/819,604.26
  6. Step 6: Final answer
    x = 388,023.75

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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.