Home / 856.80-1,182.33-507.42

Finding the Fourth Proportional to 856.80, 1,182.33 and 507.42

Calculator

Solution

The fourth proportional to 856.80, 1,182.33 and 507.42 is: 700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    856.80 : 1,182.33 = 507.42 : x
  2. Step 2: Convert to fraction form
    856.80/1,182.33 = 507.42/x
  3. Step 3: Cross multiply
    856.80x = 1,182.33 × 507.42
  4. Step 4: Simplify right side
    856.80x = 599,937.89
  5. Step 5: Solve for x
    x = 599,937.89/856.80
  6. Step 6: Final answer
    x = 700.21

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.