Home / 977.25-1,348.62-535.17

Finding the Fourth Proportional to 977.25, 1,348.62 and 535.17

Calculator

Solution

The fourth proportional to 977.25, 1,348.62 and 535.17 is: 738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.25 : 1,348.62 = 535.17 : x
  2. Step 2: Convert to fraction form
    977.25/1,348.62 = 535.17/x
  3. Step 3: Cross multiply
    977.25x = 1,348.62 × 535.17
  4. Step 4: Simplify right side
    977.25x = 721,740.97
  5. Step 5: Solve for x
    x = 721,740.97/977.25
  6. Step 6: Final answer
    x = 738.54

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.