Home / 723.84-1,086.40-496

Finding the Fourth Proportional to 723.84, 1,086.40 and 496

Calculator

Solution

The fourth proportional to 723.84, 1,086.40 and 496 is: 744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    723.84 : 1,086.40 = 496 : x
  2. Step 2: Convert to fraction form
    723.84/1,086.40 = 496/x
  3. Step 3: Cross multiply
    723.84x = 1,086.40 × 496
  4. Step 4: Simplify right side
    723.84x = 538,854.40
  5. Step 5: Solve for x
    x = 538,854.40/723.84
  6. Step 6: Final answer
    x = 744.44

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.