Home / 1,229.92-1,845.32-499.92

Finding the Fourth Proportional to 1,229.92, 1,845.32 and 499.92

Calculator

Solution

The fourth proportional to 1,229.92, 1,845.32 and 499.92 is: 750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229.92 : 1,845.32 = 499.92 : x
  2. Step 2: Convert to fraction form
    1,229.92/1,845.32 = 499.92/x
  3. Step 3: Cross multiply
    1,229.92x = 1,845.32 × 499.92
  4. Step 4: Simplify right side
    1,229.92x = 922,512.37
  5. Step 5: Solve for x
    x = 922,512.37/1,229.92
  6. Step 6: Final answer
    x = 750.06

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.