Home / 858,067.28-1,287,105.24-352,903.76

Finding the Fourth Proportional to 858,067.28, 1,287,105.24 and 352,903.76

Calculator

Solution

The fourth proportional to 858,067.28, 1,287,105.24 and 352,903.76 is: 529,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,067.28 : 1,287,105.24 = 352,903.76 : x
  2. Step 2: Convert to fraction form
    858,067.28/1,287,105.24 = 352,903.76/x
  3. Step 3: Cross multiply
    858,067.28x = 1,287,105.24 × 352,903.76
  4. Step 4: Simplify right side
    858,067.28x = 454,224,278,711.70
  5. Step 5: Solve for x
    x = 454,224,278,711.70/858,067.28
  6. Step 6: Final answer
    x = 529,357.42

Related Problems

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.