Home / 393,648.45-590,566.41-127,408.97

Finding the Fourth Proportional to 393,648.45, 590,566.41 and 127,408.97

Calculator

Solution

The fourth proportional to 393,648.45, 590,566.41 and 127,408.97 is: 191,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,648.45 : 590,566.41 = 127,408.97 : x
  2. Step 2: Convert to fraction form
    393,648.45/590,566.41 = 127,408.97/x
  3. Step 3: Cross multiply
    393,648.45x = 590,566.41 × 127,408.97
  4. Step 4: Simplify right side
    393,648.45x = 75,243,455,061.87
  5. Step 5: Solve for x
    x = 75,243,455,061.87/393,648.45
  6. Step 6: Final answer
    x = 191,143.79

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.