Home / 714.30-1,071.43-303.31

Finding the Fourth Proportional to 714.30, 1,071.43 and 303.31

Calculator

Solution

The fourth proportional to 714.30, 1,071.43 and 303.31 is: 454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    714.30 : 1,071.43 = 303.31 : x
  2. Step 2: Convert to fraction form
    714.30/1,071.43 = 303.31/x
  3. Step 3: Cross multiply
    714.30x = 1,071.43 × 303.31
  4. Step 4: Simplify right side
    714.30x = 324,975.43
  5. Step 5: Solve for x
    x = 324,975.43/714.30
  6. Step 6: Final answer
    x = 454.96

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.