Home / 809.14-1,116.54-459.76

Finding the Fourth Proportional to 809.14, 1,116.54 and 459.76

Calculator

Solution

The fourth proportional to 809.14, 1,116.54 and 459.76 is: 634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    809.14 : 1,116.54 = 459.76 : x
  2. Step 2: Convert to fraction form
    809.14/1,116.54 = 459.76/x
  3. Step 3: Cross multiply
    809.14x = 1,116.54 × 459.76
  4. Step 4: Simplify right side
    809.14x = 513,340.43
  5. Step 5: Solve for x
    x = 513,340.43/809.14
  6. Step 6: Final answer
    x = 634.43

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.