Home / 571.44-787.92-440.16

Finding the Fourth Proportional to 571.44, 787.92 and 440.16

Calculator

Solution

The fourth proportional to 571.44, 787.92 and 440.16 is: 606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    571.44 : 787.92 = 440.16 : x
  2. Step 2: Convert to fraction form
    571.44/787.92 = 440.16/x
  3. Step 3: Cross multiply
    571.44x = 787.92 × 440.16
  4. Step 4: Simplify right side
    571.44x = 346,810.87
  5. Step 5: Solve for x
    x = 346,810.87/571.44
  6. Step 6: Final answer
    x = 606.91

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.