Home / 378,899.46-522,654.39-276,800.18

Finding the Fourth Proportional to 378,899.46, 522,654.39 and 276,800.18

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Solution

The fourth proportional to 378,899.46, 522,654.39 and 276,800.18 is: 381,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,899.46 : 522,654.39 = 276,800.18 : x
  2. Step 2: Convert to fraction form
    378,899.46/522,654.39 = 276,800.18/x
  3. Step 3: Cross multiply
    378,899.46x = 522,654.39 × 276,800.18
  4. Step 4: Simplify right side
    378,899.46x = 144,670,826,616.52
  5. Step 5: Solve for x
    x = 144,670,826,616.52/378,899.46
  6. Step 6: Final answer
    x = 381,818.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.