Home / 672.93-929.14-411.30

Finding the Fourth Proportional to 672.93, 929.14 and 411.30

Calculator

Solution

The fourth proportional to 672.93, 929.14 and 411.30 is: 567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.93 : 929.14 = 411.30 : x
  2. Step 2: Convert to fraction form
    672.93/929.14 = 411.30/x
  3. Step 3: Cross multiply
    672.93x = 929.14 × 411.30
  4. Step 4: Simplify right side
    672.93x = 382,154.25
  5. Step 5: Solve for x
    x = 382,154.25/672.93
  6. Step 6: Final answer
    x = 567.90

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.