Home / 755.36-1,042.44-423.80

Finding the Fourth Proportional to 755.36, 1,042.44 and 423.80

Calculator

Solution

The fourth proportional to 755.36, 1,042.44 and 423.80 is: 584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.36 : 1,042.44 = 423.80 : x
  2. Step 2: Convert to fraction form
    755.36/1,042.44 = 423.80/x
  3. Step 3: Cross multiply
    755.36x = 1,042.44 × 423.80
  4. Step 4: Simplify right side
    755.36x = 441,783.18
  5. Step 5: Solve for x
    x = 441,783.18/755.36
  6. Step 6: Final answer
    x = 584.87

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.