Home / 491.51-677.54-404.03

Finding the Fourth Proportional to 491.51, 677.54 and 404.03

Calculator

Solution

The fourth proportional to 491.51, 677.54 and 404.03 is: 556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    491.51 : 677.54 = 404.03 : x
  2. Step 2: Convert to fraction form
    491.51/677.54 = 404.03/x
  3. Step 3: Cross multiply
    491.51x = 677.54 × 404.03
  4. Step 4: Simplify right side
    491.51x = 273,741.08
  5. Step 5: Solve for x
    x = 273,741.08/491.51
  6. Step 6: Final answer
    x = 556.94

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.