Home / 439,982.84-659,974.25-203,294.76

Finding the Fourth Proportional to 439,982.84, 659,974.25 and 203,294.76

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Solution

The fourth proportional to 439,982.84, 659,974.25 and 203,294.76 is: 304,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,982.84 : 659,974.25 = 203,294.76 : x
  2. Step 2: Convert to fraction form
    439,982.84/659,974.25 = 203,294.76/x
  3. Step 3: Cross multiply
    439,982.84x = 659,974.25 × 203,294.76
  4. Step 4: Simplify right side
    439,982.84x = 134,169,306,759.93
  5. Step 5: Solve for x
    x = 134,169,306,759.93/439,982.84
  6. Step 6: Final answer
    x = 304,942.14

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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.