Home / 457,036.40-685,694.64-204,529.44

Finding the Fourth Proportional to 457,036.40, 685,694.64 and 204,529.44

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Solution

The fourth proportional to 457,036.40, 685,694.64 and 204,529.44 is: 306,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,036.40 : 685,694.64 = 204,529.44 : x
  2. Step 2: Convert to fraction form
    457,036.40/685,694.64 = 204,529.44/x
  3. Step 3: Cross multiply
    457,036.40x = 685,694.64 × 204,529.44
  4. Step 4: Simplify right side
    457,036.40x = 140,244,740,730.20
  5. Step 5: Solve for x
    x = 140,244,740,730.20/457,036.40
  6. Step 6: Final answer
    x = 306,856.83

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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.