Home / 879.69-1,214.01-547.86

Finding the Fourth Proportional to 879.69, 1,214.01 and 547.86

Calculator

Solution

The fourth proportional to 879.69, 1,214.01 and 547.86 is: 756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    879.69 : 1,214.01 = 547.86 : x
  2. Step 2: Convert to fraction form
    879.69/1,214.01 = 547.86/x
  3. Step 3: Cross multiply
    879.69x = 1,214.01 × 547.86
  4. Step 4: Simplify right side
    879.69x = 665,107.52
  5. Step 5: Solve for x
    x = 665,107.52/879.69
  6. Step 6: Final answer
    x = 756.07

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.