Home / 815,593.58-1,222,716.84-359,860.37

Finding the Fourth Proportional to 815,593.58, 1,222,716.84 and 359,860.37

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Solution

The fourth proportional to 815,593.58, 1,222,716.84 and 359,860.37 is: 539,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,593.58 : 1,222,716.84 = 359,860.37 : x
  2. Step 2: Convert to fraction form
    815,593.58/1,222,716.84 = 359,860.37/x
  3. Step 3: Cross multiply
    815,593.58x = 1,222,716.84 × 359,860.37
  4. Step 4: Simplify right side
    815,593.58x = 440,007,336,898.67
  5. Step 5: Solve for x
    x = 440,007,336,898.67/815,593.58
  6. Step 6: Final answer
    x = 539,493.38

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1.5x scale

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.