Home / 574.49-792.78-325.79

Finding the Fourth Proportional to 574.49, 792.78 and 325.79

Calculator

Solution

The fourth proportional to 574.49, 792.78 and 325.79 is: 449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.49 : 792.78 = 325.79 : x
  2. Step 2: Convert to fraction form
    574.49/792.78 = 325.79/x
  3. Step 3: Cross multiply
    574.49x = 792.78 × 325.79
  4. Step 4: Simplify right side
    574.49x = 258,275.83
  5. Step 5: Solve for x
    x = 258,275.83/574.49
  6. Step 6: Final answer
    x = 449.58

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.