Home / 1,432.96-2,149.86-459.04

Finding the Fourth Proportional to 1,432.96, 2,149.86 and 459.04

Calculator

Solution

The fourth proportional to 1,432.96, 2,149.86 and 459.04 is: 688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432.96 : 2,149.86 = 459.04 : x
  2. Step 2: Convert to fraction form
    1,432.96/2,149.86 = 459.04/x
  3. Step 3: Cross multiply
    1,432.96x = 2,149.86 × 459.04
  4. Step 4: Simplify right side
    1,432.96x = 986,871.73
  5. Step 5: Solve for x
    x = 986,871.73/1,432.96
  6. Step 6: Final answer
    x = 688.69

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.