Home / 854.34-1,179.76-540.16

Finding the Fourth Proportional to 854.34, 1,179.76 and 540.16

Calculator

Solution

The fourth proportional to 854.34, 1,179.76 and 540.16 is: 745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    854.34 : 1,179.76 = 540.16 : x
  2. Step 2: Convert to fraction form
    854.34/1,179.76 = 540.16/x
  3. Step 3: Cross multiply
    854.34x = 1,179.76 × 540.16
  4. Step 4: Simplify right side
    854.34x = 637,259.16
  5. Step 5: Solve for x
    x = 637,259.16/854.34
  6. Step 6: Final answer
    x = 745.91

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.