Home / 702.08-968.44-407.28

Finding the Fourth Proportional to 702.08, 968.44 and 407.28

Calculator

Solution

The fourth proportional to 702.08, 968.44 and 407.28 is: 561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.08 : 968.44 = 407.28 : x
  2. Step 2: Convert to fraction form
    702.08/968.44 = 407.28/x
  3. Step 3: Cross multiply
    702.08x = 968.44 × 407.28
  4. Step 4: Simplify right side
    702.08x = 394,426.24
  5. Step 5: Solve for x
    x = 394,426.24/702.08
  6. Step 6: Final answer
    x = 561.80

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.