Home / 757.71-1,045.69-426.17

Finding the Fourth Proportional to 757.71, 1,045.69 and 426.17

Calculator

Solution

The fourth proportional to 757.71, 1,045.69 and 426.17 is: 588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    757.71 : 1,045.69 = 426.17 : x
  2. Step 2: Convert to fraction form
    757.71/1,045.69 = 426.17/x
  3. Step 3: Cross multiply
    757.71x = 1,045.69 × 426.17
  4. Step 4: Simplify right side
    757.71x = 445,641.71
  5. Step 5: Solve for x
    x = 445,641.71/757.71
  6. Step 6: Final answer
    x = 588.14

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.