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Finding the Fourth Proportional to 564,624.45, 779,183.04 and 309,992.04

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Solution

The fourth proportional to 564,624.45, 779,183.04 and 309,992.04 is: 427,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,624.45 : 779,183.04 = 309,992.04 : x
  2. Step 2: Convert to fraction form
    564,624.45/779,183.04 = 309,992.04/x
  3. Step 3: Cross multiply
    564,624.45x = 779,183.04 × 309,992.04
  4. Step 4: Simplify right side
    564,624.45x = 241,540,540,103.00
  5. Step 5: Solve for x
    x = 241,540,540,103.00/564,624.45
  6. Step 6: Final answer
    x = 427,789.73

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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.