Home / 880.77-1,321.49-333.09

Finding the Fourth Proportional to 880.77, 1,321.49 and 333.09

Calculator

Solution

The fourth proportional to 880.77, 1,321.49 and 333.09 is: 499.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    880.77 : 1,321.49 = 333.09 : x
  2. Step 2: Convert to fraction form
    880.77/1,321.49 = 333.09/x
  3. Step 3: Cross multiply
    880.77x = 1,321.49 × 333.09
  4. Step 4: Simplify right side
    880.77x = 440,175.10
  5. Step 5: Solve for x
    x = 440,175.10/880.77
  6. Step 6: Final answer
    x = 499.76

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.