Home / 839,049.96-1,258,757.22-306,570.18

Finding the Fourth Proportional to 839,049.96, 1,258,757.22 and 306,570.18

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Solution

The fourth proportional to 839,049.96, 1,258,757.22 and 306,570.18 is: 459,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,049.96 : 1,258,757.22 = 306,570.18 : x
  2. Step 2: Convert to fraction form
    839,049.96/1,258,757.22 = 306,570.18/x
  3. Step 3: Cross multiply
    839,049.96x = 1,258,757.22 × 306,570.18
  4. Step 4: Simplify right side
    839,049.96x = 385,897,427,511.70
  5. Step 5: Solve for x
    x = 385,897,427,511.70/839,049.96
  6. Step 6: Final answer
    x = 459,921.87

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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.