Home / 839,069.20-1,258,786.08-306,589.42

Finding the Fourth Proportional to 839,069.20, 1,258,786.08 and 306,589.42

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Solution

The fourth proportional to 839,069.20, 1,258,786.08 and 306,589.42 is: 459,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,069.20 : 1,258,786.08 = 306,589.42 : x
  2. Step 2: Convert to fraction form
    839,069.20/1,258,786.08 = 306,589.42/x
  3. Step 3: Cross multiply
    839,069.20x = 1,258,786.08 × 306,589.42
  4. Step 4: Simplify right side
    839,069.20x = 385,930,494,171.27
  5. Step 5: Solve for x
    x = 385,930,494,171.27/839,069.20
  6. Step 6: Final answer
    x = 459,950.73

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Double scale
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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.