Home / 618,542.10-853,573.64-363,909.68

Finding the Fourth Proportional to 618,542.10, 853,573.64 and 363,909.68

Calculator

Solution

The fourth proportional to 618,542.10, 853,573.64 and 363,909.68 is: 502,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,542.10 : 853,573.64 = 363,909.68 : x
  2. Step 2: Convert to fraction form
    618,542.10/853,573.64 = 363,909.68/x
  3. Step 3: Cross multiply
    618,542.10x = 853,573.64 × 363,909.68
  4. Step 4: Simplify right side
    618,542.10x = 310,623,710,188.84
  5. Step 5: Solve for x
    x = 310,623,710,188.84/618,542.10
  6. Step 6: Final answer
    x = 502,186.85

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.