Home / 700-1,051.20-663.52

Finding the Fourth Proportional to 700, 1,051.20 and 663.52

Calculator

Solution

The fourth proportional to 700, 1,051.20 and 663.52 is: 996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    700 : 1,051.20 = 663.52 : x
  2. Step 2: Convert to fraction form
    700/1,051.20 = 663.52/x
  3. Step 3: Cross multiply
    700x = 1,051.20 × 663.52
  4. Step 4: Simplify right side
    700x = 697,492.22
  5. Step 5: Solve for x
    x = 697,492.22/700
  6. Step 6: Final answer
    x = 996.42

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.