Home / 419,709.56-579,182.34-228,718.88

Finding the Fourth Proportional to 419,709.56, 579,182.34 and 228,718.88

Calculator

Solution

The fourth proportional to 419,709.56, 579,182.34 and 228,718.88 is: 315,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,709.56 : 579,182.34 = 228,718.88 : x
  2. Step 2: Convert to fraction form
    419,709.56/579,182.34 = 228,718.88/x
  3. Step 3: Cross multiply
    419,709.56x = 579,182.34 × 228,718.88
  4. Step 4: Simplify right side
    419,709.56x = 132,469,936,120.58
  5. Step 5: Solve for x
    x = 132,469,936,120.58/419,709.56
  6. Step 6: Final answer
    x = 315,622.87

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.