Home / 579,135.42-799,206.35-324,488.43

Finding the Fourth Proportional to 579,135.42, 799,206.35 and 324,488.43

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Solution

The fourth proportional to 579,135.42, 799,206.35 and 324,488.43 is: 447,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,135.42 : 799,206.35 = 324,488.43 : x
  2. Step 2: Convert to fraction form
    579,135.42/799,206.35 = 324,488.43/x
  3. Step 3: Cross multiply
    579,135.42x = 799,206.35 × 324,488.43
  4. Step 4: Simplify right side
    579,135.42x = 259,333,212,135.09
  5. Step 5: Solve for x
    x = 259,333,212,135.09/579,135.42
  6. Step 6: Final answer
    x = 447,793.73

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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.