Home / 940.68-1,298.12-526.68

Finding the Fourth Proportional to 940.68, 1,298.12 and 526.68

Calculator

Solution

The fourth proportional to 940.68, 1,298.12 and 526.68 is: 726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    940.68 : 1,298.12 = 526.68 : x
  2. Step 2: Convert to fraction form
    940.68/1,298.12 = 526.68/x
  3. Step 3: Cross multiply
    940.68x = 1,298.12 × 526.68
  4. Step 4: Simplify right side
    940.68x = 683,693.84
  5. Step 5: Solve for x
    x = 683,693.84/940.68
  6. Step 6: Final answer
    x = 726.81

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.