Home / 674.53-1,007.45-551.41

Finding the Fourth Proportional to 674.53, 1,007.45 and 551.41

Calculator

Solution

The fourth proportional to 674.53, 1,007.45 and 551.41 is: 823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.53 : 1,007.45 = 551.41 : x
  2. Step 2: Convert to fraction form
    674.53/1,007.45 = 551.41/x
  3. Step 3: Cross multiply
    674.53x = 1,007.45 × 551.41
  4. Step 4: Simplify right side
    674.53x = 555,518.00
  5. Step 5: Solve for x
    x = 555,518.00/674.53
  6. Step 6: Final answer
    x = 823.56

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.