Home / 1,023.30-1,534.41-445.50

Finding the Fourth Proportional to 1,023.30, 1,534.41 and 445.50

Calculator

Solution

The fourth proportional to 1,023.30, 1,534.41 and 445.50 is: 668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.30 : 1,534.41 = 445.50 : x
  2. Step 2: Convert to fraction form
    1,023.30/1,534.41 = 445.50/x
  3. Step 3: Cross multiply
    1,023.30x = 1,534.41 × 445.50
  4. Step 4: Simplify right side
    1,023.30x = 683,579.66
  5. Step 5: Solve for x
    x = 683,579.66/1,023.30
  6. Step 6: Final answer
    x = 668.01

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.