Home / 763.44-1,145.01-488.73

Finding the Fourth Proportional to 763.44, 1,145.01 and 488.73

Calculator

Solution

The fourth proportional to 763.44, 1,145.01 and 488.73 is: 733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    763.44 : 1,145.01 = 488.73 : x
  2. Step 2: Convert to fraction form
    763.44/1,145.01 = 488.73/x
  3. Step 3: Cross multiply
    763.44x = 1,145.01 × 488.73
  4. Step 4: Simplify right side
    763.44x = 559,600.74
  5. Step 5: Solve for x
    x = 559,600.74/763.44
  6. Step 6: Final answer
    x = 733.00

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.