Home / 785.43-1,083.85-436.11

Finding the Fourth Proportional to 785.43, 1,083.85 and 436.11

Calculator

Solution

The fourth proportional to 785.43, 1,083.85 and 436.11 is: 601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    785.43 : 1,083.85 = 436.11 : x
  2. Step 2: Convert to fraction form
    785.43/1,083.85 = 436.11/x
  3. Step 3: Cross multiply
    785.43x = 1,083.85 × 436.11
  4. Step 4: Simplify right side
    785.43x = 472,677.82
  5. Step 5: Solve for x
    x = 472,677.82/785.43
  6. Step 6: Final answer
    x = 601.81

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.