Home / 945,838.38-1,418,982.65-306,142.11

Finding the Fourth Proportional to 945,838.38, 1,418,982.65 and 306,142.11

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Solution

The fourth proportional to 945,838.38, 1,418,982.65 and 306,142.11 is: 459,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,838.38 : 1,418,982.65 = 306,142.11 : x
  2. Step 2: Convert to fraction form
    945,838.38/1,418,982.65 = 306,142.11/x
  3. Step 3: Cross multiply
    945,838.38x = 1,418,982.65 × 306,142.11
  4. Step 4: Simplify right side
    945,838.38x = 434,410,340,993.68
  5. Step 5: Solve for x
    x = 434,410,340,993.68/945,838.38
  6. Step 6: Final answer
    x = 459,286.02

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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.