Home / 852.72-1,176.74-479.70

Finding the Fourth Proportional to 852.72, 1,176.74 and 479.70

Calculator

Solution

The fourth proportional to 852.72, 1,176.74 and 479.70 is: 661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.72 : 1,176.74 = 479.70 : x
  2. Step 2: Convert to fraction form
    852.72/1,176.74 = 479.70/x
  3. Step 3: Cross multiply
    852.72x = 1,176.74 × 479.70
  4. Step 4: Simplify right side
    852.72x = 564,481.17
  5. Step 5: Solve for x
    x = 564,481.17/852.72
  6. Step 6: Final answer
    x = 661.98

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.