Home / 1,408.99-2,113.62-484.72

Finding the Fourth Proportional to 1,408.99, 2,113.62 and 484.72

Calculator

Solution

The fourth proportional to 1,408.99, 2,113.62 and 484.72 is: 727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408.99 : 2,113.62 = 484.72 : x
  2. Step 2: Convert to fraction form
    1,408.99/2,113.62 = 484.72/x
  3. Step 3: Cross multiply
    1,408.99x = 2,113.62 × 484.72
  4. Step 4: Simplify right side
    1,408.99x = 1,024,513.89
  5. Step 5: Solve for x
    x = 1,024,513.89/1,408.99
  6. Step 6: Final answer
    x = 727.13

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.