Home / 954.68-1,317.43-561.72

Finding the Fourth Proportional to 954.68, 1,317.43 and 561.72

Calculator

Solution

The fourth proportional to 954.68, 1,317.43 and 561.72 is: 775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.68 : 1,317.43 = 561.72 : x
  2. Step 2: Convert to fraction form
    954.68/1,317.43 = 561.72/x
  3. Step 3: Cross multiply
    954.68x = 1,317.43 × 561.72
  4. Step 4: Simplify right side
    954.68x = 740,028.67
  5. Step 5: Solve for x
    x = 740,028.67/954.68
  6. Step 6: Final answer
    x = 775.16

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.