Home / 846.57-1,268.28-456.02

Finding the Fourth Proportional to 846.57, 1,268.28 and 456.02

Calculator

Solution

The fourth proportional to 846.57, 1,268.28 and 456.02 is: 683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.57 : 1,268.28 = 456.02 : x
  2. Step 2: Convert to fraction form
    846.57/1,268.28 = 456.02/x
  3. Step 3: Cross multiply
    846.57x = 1,268.28 × 456.02
  4. Step 4: Simplify right side
    846.57x = 578,354.70
  5. Step 5: Solve for x
    x = 578,354.70/846.57
  6. Step 6: Final answer
    x = 683.17

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.