Home / 517.38-709.61-459.06

Finding the Fourth Proportional to 517.38, 709.61 and 459.06

Calculator

Solution

The fourth proportional to 517.38, 709.61 and 459.06 is: 629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    517.38 : 709.61 = 459.06 : x
  2. Step 2: Convert to fraction form
    517.38/709.61 = 459.06/x
  3. Step 3: Cross multiply
    517.38x = 709.61 × 459.06
  4. Step 4: Simplify right side
    517.38x = 325,753.57
  5. Step 5: Solve for x
    x = 325,753.57/517.38
  6. Step 6: Final answer
    x = 629.62

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.