Home / 941.71-1,299.51-522.05

Finding the Fourth Proportional to 941.71, 1,299.51 and 522.05

Calculator

Solution

The fourth proportional to 941.71, 1,299.51 and 522.05 is: 720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.71 : 1,299.51 = 522.05 : x
  2. Step 2: Convert to fraction form
    941.71/1,299.51 = 522.05/x
  3. Step 3: Cross multiply
    941.71x = 1,299.51 × 522.05
  4. Step 4: Simplify right side
    941.71x = 678,406.59
  5. Step 5: Solve for x
    x = 678,406.59/941.71
  6. Step 6: Final answer
    x = 720.40

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.