Home / 729.26-1,006.49-463.91

Finding the Fourth Proportional to 729.26, 1,006.49 and 463.91

Calculator

Solution

The fourth proportional to 729.26, 1,006.49 and 463.91 is: 640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.26 : 1,006.49 = 463.91 : x
  2. Step 2: Convert to fraction form
    729.26/1,006.49 = 463.91/x
  3. Step 3: Cross multiply
    729.26x = 1,006.49 × 463.91
  4. Step 4: Simplify right side
    729.26x = 466,920.97
  5. Step 5: Solve for x
    x = 466,920.97/729.26
  6. Step 6: Final answer
    x = 640.27

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.