Home / 1,006.26-1,388.69-564.18

Finding the Fourth Proportional to 1,006.26, 1,388.69 and 564.18

Calculator

Solution

The fourth proportional to 1,006.26, 1,388.69 and 564.18 is: 778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006.26 : 1,388.69 = 564.18 : x
  2. Step 2: Convert to fraction form
    1,006.26/1,388.69 = 564.18/x
  3. Step 3: Cross multiply
    1,006.26x = 1,388.69 × 564.18
  4. Step 4: Simplify right side
    1,006.26x = 783,471.12
  5. Step 5: Solve for x
    x = 783,471.12/1,006.26
  6. Step 6: Final answer
    x = 778.60

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.