Home / 1,042.56-1,438.62-576.72

Finding the Fourth Proportional to 1,042.56, 1,438.62 and 576.72

Calculator

Solution

The fourth proportional to 1,042.56, 1,438.62 and 576.72 is: 795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.56 : 1,438.62 = 576.72 : x
  2. Step 2: Convert to fraction form
    1,042.56/1,438.62 = 576.72/x
  3. Step 3: Cross multiply
    1,042.56x = 1,438.62 × 576.72
  4. Step 4: Simplify right side
    1,042.56x = 829,680.93
  5. Step 5: Solve for x
    x = 829,680.93/1,042.56
  6. Step 6: Final answer
    x = 795.81

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.