Home / 425,860.98-638,791.47-110,317.88

Finding the Fourth Proportional to 425,860.98, 638,791.47 and 110,317.88

Calculator

Solution

The fourth proportional to 425,860.98, 638,791.47 and 110,317.88 is: 165,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,860.98 : 638,791.47 = 110,317.88 : x
  2. Step 2: Convert to fraction form
    425,860.98/638,791.47 = 110,317.88/x
  3. Step 3: Cross multiply
    425,860.98x = 638,791.47 × 110,317.88
  4. Step 4: Simplify right side
    425,860.98x = 70,470,117,538.53
  5. Step 5: Solve for x
    x = 70,470,117,538.53/425,860.98
  6. Step 6: Final answer
    x = 165,476.81

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.