Home / 875.24-1,312.92-298.52

Finding the Fourth Proportional to 875.24, 1,312.92 and 298.52

Calculator

Solution

The fourth proportional to 875.24, 1,312.92 and 298.52 is: 447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875.24 : 1,312.92 = 298.52 : x
  2. Step 2: Convert to fraction form
    875.24/1,312.92 = 298.52/x
  3. Step 3: Cross multiply
    875.24x = 1,312.92 × 298.52
  4. Step 4: Simplify right side
    875.24x = 391,932.88
  5. Step 5: Solve for x
    x = 391,932.88/875.24
  6. Step 6: Final answer
    x = 447.80

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.