Home / 842.86-1,162.78-548.16

Finding the Fourth Proportional to 842.86, 1,162.78 and 548.16

Calculator

Solution

The fourth proportional to 842.86, 1,162.78 and 548.16 is: 756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    842.86 : 1,162.78 = 548.16 : x
  2. Step 2: Convert to fraction form
    842.86/1,162.78 = 548.16/x
  3. Step 3: Cross multiply
    842.86x = 1,162.78 × 548.16
  4. Step 4: Simplify right side
    842.86x = 637,389.48
  5. Step 5: Solve for x
    x = 637,389.48/842.86
  6. Step 6: Final answer
    x = 756.22

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.