Home / 723.74-998.82-425.10

Finding the Fourth Proportional to 723.74, 998.82 and 425.10

Calculator

Solution

The fourth proportional to 723.74, 998.82 and 425.10 is: 586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.74 : 998.82 = 425.10 : x
  2. Step 2: Convert to fraction form
    723.74/998.82 = 425.10/x
  3. Step 3: Cross multiply
    723.74x = 998.82 × 425.10
  4. Step 4: Simplify right side
    723.74x = 424,598.38
  5. Step 5: Solve for x
    x = 424,598.38/723.74
  6. Step 6: Final answer
    x = 586.68

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.