Home / 439,631.70-659,447.55-304,329.30

Finding the Fourth Proportional to 439,631.70, 659,447.55 and 304,329.30

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Solution

The fourth proportional to 439,631.70, 659,447.55 and 304,329.30 is: 456,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,631.70 : 659,447.55 = 304,329.30 : x
  2. Step 2: Convert to fraction form
    439,631.70/659,447.55 = 304,329.30/x
  3. Step 3: Cross multiply
    439,631.70x = 659,447.55 × 304,329.30
  4. Step 4: Simplify right side
    439,631.70x = 200,689,211,278.22
  5. Step 5: Solve for x
    x = 200,689,211,278.22/439,631.70
  6. Step 6: Final answer
    x = 456,493.95

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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.