Home / 585.27-806.76-398.73

Finding the Fourth Proportional to 585.27, 806.76 and 398.73

Calculator

Solution

The fourth proportional to 585.27, 806.76 and 398.73 is: 549.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.27 : 806.76 = 398.73 : x
  2. Step 2: Convert to fraction form
    585.27/806.76 = 398.73/x
  3. Step 3: Cross multiply
    585.27x = 806.76 × 398.73
  4. Step 4: Simplify right side
    585.27x = 321,679.41
  5. Step 5: Solve for x
    x = 321,679.41/585.27
  6. Step 6: Final answer
    x = 549.63

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.