Home / 755.41-1,042.44-423.85

Finding the Fourth Proportional to 755.41, 1,042.44 and 423.85

Calculator

Solution

The fourth proportional to 755.41, 1,042.44 and 423.85 is: 584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.41 : 1,042.44 = 423.85 : x
  2. Step 2: Convert to fraction form
    755.41/1,042.44 = 423.85/x
  3. Step 3: Cross multiply
    755.41x = 1,042.44 × 423.85
  4. Step 4: Simplify right side
    755.41x = 441,838.19
  5. Step 5: Solve for x
    x = 441,838.19/755.41
  6. Step 6: Final answer
    x = 584.90

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.