Home / 574.91-793.40-312.94

Finding the Fourth Proportional to 574.91, 793.40 and 312.94

Calculator

Solution

The fourth proportional to 574.91, 793.40 and 312.94 is: 431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.91 : 793.40 = 312.94 : x
  2. Step 2: Convert to fraction form
    574.91/793.40 = 312.94/x
  3. Step 3: Cross multiply
    574.91x = 793.40 × 312.94
  4. Step 4: Simplify right side
    574.91x = 248,281.06
  5. Step 5: Solve for x
    x = 248,281.06/574.91
  6. Step 6: Final answer
    x = 431.86

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.