Home / 874,286.37-1,311,608.61-368,847.45

Finding the Fourth Proportional to 874,286.37, 1,311,608.61 and 368,847.45

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Solution

The fourth proportional to 874,286.37, 1,311,608.61 and 368,847.45 is: 553,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,286.37 : 1,311,608.61 = 368,847.45 : x
  2. Step 2: Convert to fraction form
    874,286.37/1,311,608.61 = 368,847.45/x
  3. Step 3: Cross multiply
    874,286.37x = 1,311,608.61 × 368,847.45
  4. Step 4: Simplify right side
    874,286.37x = 483,783,491,196.55
  5. Step 5: Solve for x
    x = 483,783,491,196.55/874,286.37
  6. Step 6: Final answer
    x = 553,346.72

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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.