Home / 1,000.89-1,501.22-270.54

Finding the Fourth Proportional to 1,000.89, 1,501.22 and 270.54

Calculator

Solution

The fourth proportional to 1,000.89, 1,501.22 and 270.54 is: 405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000.89 : 1,501.22 = 270.54 : x
  2. Step 2: Convert to fraction form
    1,000.89/1,501.22 = 270.54/x
  3. Step 3: Cross multiply
    1,000.89x = 1,501.22 × 270.54
  4. Step 4: Simplify right side
    1,000.89x = 406,140.06
  5. Step 5: Solve for x
    x = 406,140.06/1,000.89
  6. Step 6: Final answer
    x = 405.78

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.