Home / 964.78-1,447.00-444.22

Finding the Fourth Proportional to 964.78, 1,447.00 and 444.22

Calculator

Solution

The fourth proportional to 964.78, 1,447.00 and 444.22 is: 666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.78 : 1,447.00 = 444.22 : x
  2. Step 2: Convert to fraction form
    964.78/1,447.00 = 444.22/x
  3. Step 3: Cross multiply
    964.78x = 1,447.00 × 444.22
  4. Step 4: Simplify right side
    964.78x = 642,781.61
  5. Step 5: Solve for x
    x = 642,781.61/964.78
  6. Step 6: Final answer
    x = 666.25

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.