Home / 936.80-1,292.25-543.77

Finding the Fourth Proportional to 936.80, 1,292.25 and 543.77

Calculator

Solution

The fourth proportional to 936.80, 1,292.25 and 543.77 is: 750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.80 : 1,292.25 = 543.77 : x
  2. Step 2: Convert to fraction form
    936.80/1,292.25 = 543.77/x
  3. Step 3: Cross multiply
    936.80x = 1,292.25 × 543.77
  4. Step 4: Simplify right side
    936.80x = 702,686.78
  5. Step 5: Solve for x
    x = 702,686.78/936.80
  6. Step 6: Final answer
    x = 750.09

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.