Home / 992.67-1,488.65-343.25

Finding the Fourth Proportional to 992.67, 1,488.65 and 343.25

Calculator

Solution

The fourth proportional to 992.67, 1,488.65 and 343.25 is: 514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    992.67 : 1,488.65 = 343.25 : x
  2. Step 2: Convert to fraction form
    992.67/1,488.65 = 343.25/x
  3. Step 3: Cross multiply
    992.67x = 1,488.65 × 343.25
  4. Step 4: Simplify right side
    992.67x = 510,969.95
  5. Step 5: Solve for x
    x = 510,969.95/992.67
  6. Step 6: Final answer
    x = 514.74

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.