Home / 557,147.76-768,851.76-302,496.72

Finding the Fourth Proportional to 557,147.76, 768,851.76 and 302,496.72

Calculator

Solution

The fourth proportional to 557,147.76, 768,851.76 and 302,496.72 is: 417,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,147.76 : 768,851.76 = 302,496.72 : x
  2. Step 2: Convert to fraction form
    557,147.76/768,851.76 = 302,496.72/x
  3. Step 3: Cross multiply
    557,147.76x = 768,851.76 × 302,496.72
  4. Step 4: Simplify right side
    557,147.76x = 232,575,135,566.23
  5. Step 5: Solve for x
    x = 232,575,135,566.23/557,147.76
  6. Step 6: Final answer
    x = 417,438.88

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.