Home / 499,023.18-687,934.96-355,534.11

Finding the Fourth Proportional to 499,023.18, 687,934.96 and 355,534.11

Calculator

Solution

The fourth proportional to 499,023.18, 687,934.96 and 355,534.11 is: 490,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,023.18 : 687,934.96 = 355,534.11 : x
  2. Step 2: Convert to fraction form
    499,023.18/687,934.96 = 355,534.11/x
  3. Step 3: Cross multiply
    499,023.18x = 687,934.96 × 355,534.11
  4. Step 4: Simplify right side
    499,023.18x = 244,584,340,301.81
  5. Step 5: Solve for x
    x = 244,584,340,301.81/499,023.18
  6. Step 6: Final answer
    x = 490,126.22

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.