Home / 389,975.12-585,791.16-367,222.88

Finding the Fourth Proportional to 389,975.12, 585,791.16 and 367,222.88

Calculator

Solution

The fourth proportional to 389,975.12, 585,791.16 and 367,222.88 is: 551,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,975.12 : 585,791.16 = 367,222.88 : x
  2. Step 2: Convert to fraction form
    389,975.12/585,791.16 = 367,222.88/x
  3. Step 3: Cross multiply
    389,975.12x = 585,791.16 × 367,222.88
  4. Step 4: Simplify right side
    389,975.12x = 215,115,916,853.74
  5. Step 5: Solve for x
    x = 215,115,916,853.74/389,975.12
  6. Step 6: Final answer
    x = 551,614.46

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.