Home / 865.71-1,194.67-472.72

Finding the Fourth Proportional to 865.71, 1,194.67 and 472.72

Calculator

Solution

The fourth proportional to 865.71, 1,194.67 and 472.72 is: 652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    865.71 : 1,194.67 = 472.72 : x
  2. Step 2: Convert to fraction form
    865.71/1,194.67 = 472.72/x
  3. Step 3: Cross multiply
    865.71x = 1,194.67 × 472.72
  4. Step 4: Simplify right side
    865.71x = 564,744.40
  5. Step 5: Solve for x
    x = 564,744.40/865.71
  6. Step 6: Final answer
    x = 652.35

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.