Home / 906.54-1,358.73-663.90

Finding the Fourth Proportional to 906.54, 1,358.73 and 663.90

Calculator

Solution

The fourth proportional to 906.54, 1,358.73 and 663.90 is: 995.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    906.54 : 1,358.73 = 663.90 : x
  2. Step 2: Convert to fraction form
    906.54/1,358.73 = 663.90/x
  3. Step 3: Cross multiply
    906.54x = 1,358.73 × 663.90
  4. Step 4: Simplify right side
    906.54x = 902,060.85
  5. Step 5: Solve for x
    x = 902,060.85/906.54
  6. Step 6: Final answer
    x = 995.06

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.