Home / 689.48-949.04-602

Finding the Fourth Proportional to 689.48, 949.04 and 602

Calculator

Solution

The fourth proportional to 689.48, 949.04 and 602 is: 828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    689.48 : 949.04 = 602 : x
  2. Step 2: Convert to fraction form
    689.48/949.04 = 602/x
  3. Step 3: Cross multiply
    689.48x = 949.04 × 602
  4. Step 4: Simplify right side
    689.48x = 571,322.08
  5. Step 5: Solve for x
    x = 571,322.08/689.48
  6. Step 6: Final answer
    x = 828.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.