Home / 639,515.05-882,507.64-353,028.99

Finding the Fourth Proportional to 639,515.05, 882,507.64 and 353,028.99

Calculator

Solution

The fourth proportional to 639,515.05, 882,507.64 and 353,028.99 is: 487,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,515.05 : 882,507.64 = 353,028.99 : x
  2. Step 2: Convert to fraction form
    639,515.05/882,507.64 = 353,028.99/x
  3. Step 3: Cross multiply
    639,515.05x = 882,507.64 × 353,028.99
  4. Step 4: Simplify right side
    639,515.05x = 311,550,780,816.48
  5. Step 5: Solve for x
    x = 311,550,780,816.48/639,515.05
  6. Step 6: Final answer
    x = 487,167.24

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.