Home / 945.26-1,304.90-631.04

Finding the Fourth Proportional to 945.26, 1,304.90 and 631.04

Calculator

Solution

The fourth proportional to 945.26, 1,304.90 and 631.04 is: 871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.26 : 1,304.90 = 631.04 : x
  2. Step 2: Convert to fraction form
    945.26/1,304.90 = 631.04/x
  3. Step 3: Cross multiply
    945.26x = 1,304.90 × 631.04
  4. Step 4: Simplify right side
    945.26x = 823,448.94
  5. Step 5: Solve for x
    x = 823,448.94/945.26
  6. Step 6: Final answer
    x = 871.14

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.