Home / 995.50-1,373.88-553.49

Finding the Fourth Proportional to 995.50, 1,373.88 and 553.49

Calculator

Solution

The fourth proportional to 995.50, 1,373.88 and 553.49 is: 763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.50 : 1,373.88 = 553.49 : x
  2. Step 2: Convert to fraction form
    995.50/1,373.88 = 553.49/x
  3. Step 3: Cross multiply
    995.50x = 1,373.88 × 553.49
  4. Step 4: Simplify right side
    995.50x = 760,428.84
  5. Step 5: Solve for x
    x = 760,428.84/995.50
  6. Step 6: Final answer
    x = 763.87

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.