Home / 885.81-1,222.44-492.84

Finding the Fourth Proportional to 885.81, 1,222.44 and 492.84

Calculator

Solution

The fourth proportional to 885.81, 1,222.44 and 492.84 is: 680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.81 : 1,222.44 = 492.84 : x
  2. Step 2: Convert to fraction form
    885.81/1,222.44 = 492.84/x
  3. Step 3: Cross multiply
    885.81x = 1,222.44 × 492.84
  4. Step 4: Simplify right side
    885.81x = 602,467.33
  5. Step 5: Solve for x
    x = 602,467.33/885.81
  6. Step 6: Final answer
    x = 680.13

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.