Home / 966.85-1,450.80-411.47

Finding the Fourth Proportional to 966.85, 1,450.80 and 411.47

Calculator

Solution

The fourth proportional to 966.85, 1,450.80 and 411.47 is: 617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.85 : 1,450.80 = 411.47 : x
  2. Step 2: Convert to fraction form
    966.85/1,450.80 = 411.47/x
  3. Step 3: Cross multiply
    966.85x = 1,450.80 × 411.47
  4. Step 4: Simplify right side
    966.85x = 596,960.68
  5. Step 5: Solve for x
    x = 596,960.68/966.85
  6. Step 6: Final answer
    x = 617.43

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.