Home / 710.36-980.58-553.04

Finding the Fourth Proportional to 710.36, 980.58 and 553.04

Calculator

Solution

The fourth proportional to 710.36, 980.58 and 553.04 is: 763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    710.36 : 980.58 = 553.04 : x
  2. Step 2: Convert to fraction form
    710.36/980.58 = 553.04/x
  3. Step 3: Cross multiply
    710.36x = 980.58 × 553.04
  4. Step 4: Simplify right side
    710.36x = 542,299.96
  5. Step 5: Solve for x
    x = 542,299.96/710.36
  6. Step 6: Final answer
    x = 763.42

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.