Home / 427,456.44-641,918.94-379,532.97

Finding the Fourth Proportional to 427,456.44, 641,918.94 and 379,532.97

Calculator

Solution

The fourth proportional to 427,456.44, 641,918.94 and 379,532.97 is: 569,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,456.44 : 641,918.94 = 379,532.97 : x
  2. Step 2: Convert to fraction form
    427,456.44/641,918.94 = 379,532.97/x
  3. Step 3: Cross multiply
    427,456.44x = 641,918.94 × 379,532.97
  4. Step 4: Simplify right side
    427,456.44x = 243,629,399,102.52
  5. Step 5: Solve for x
    x = 243,629,399,102.52/427,456.44
  6. Step 6: Final answer
    x = 569,951.41

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.