Home / 616.17-850.74-469.56

Finding the Fourth Proportional to 616.17, 850.74 and 469.56

Calculator

Solution

The fourth proportional to 616.17, 850.74 and 469.56 is: 648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.17 : 850.74 = 469.56 : x
  2. Step 2: Convert to fraction form
    616.17/850.74 = 469.56/x
  3. Step 3: Cross multiply
    616.17x = 850.74 × 469.56
  4. Step 4: Simplify right side
    616.17x = 399,473.47
  5. Step 5: Solve for x
    x = 399,473.47/616.17
  6. Step 6: Final answer
    x = 648.32

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.