Home / 809.06-1,116.46-459.75

Finding the Fourth Proportional to 809.06, 1,116.46 and 459.75

Calculator

Solution

The fourth proportional to 809.06, 1,116.46 and 459.75 is: 634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    809.06 : 1,116.46 = 459.75 : x
  2. Step 2: Convert to fraction form
    809.06/1,116.46 = 459.75/x
  3. Step 3: Cross multiply
    809.06x = 1,116.46 × 459.75
  4. Step 4: Simplify right side
    809.06x = 513,292.49
  5. Step 5: Solve for x
    x = 513,292.49/809.06
  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.