Home / 731.42-1,095.89-442.25

Finding the Fourth Proportional to 731.42, 1,095.89 and 442.25

Calculator

Solution

The fourth proportional to 731.42, 1,095.89 and 442.25 is: 662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    731.42 : 1,095.89 = 442.25 : x
  2. Step 2: Convert to fraction form
    731.42/1,095.89 = 442.25/x
  3. Step 3: Cross multiply
    731.42x = 1,095.89 × 442.25
  4. Step 4: Simplify right side
    731.42x = 484,657.35
  5. Step 5: Solve for x
    x = 484,657.35/731.42
  6. Step 6: Final answer
    x = 662.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.