Home / 474,164.85-654,149.03-310,860.57

Finding the Fourth Proportional to 474,164.85, 654,149.03 and 310,860.57

Calculator

Solution

The fourth proportional to 474,164.85, 654,149.03 and 310,860.57 is: 428,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,164.85 : 654,149.03 = 310,860.57 : x
  2. Step 2: Convert to fraction form
    474,164.85/654,149.03 = 310,860.57/x
  3. Step 3: Cross multiply
    474,164.85x = 654,149.03 × 310,860.57
  4. Step 4: Simplify right side
    474,164.85x = 203,349,138,776.44
  5. Step 5: Solve for x
    x = 203,349,138,776.44/474,164.85
  6. Step 6: Final answer
    x = 428,857.47

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.