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Finding the Fourth Proportional to 557,806.15, 836,945.99 and 304,791.10

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Solution

The fourth proportional to 557,806.15, 836,945.99 and 304,791.10 is: 457,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,806.15 : 836,945.99 = 304,791.10 : x
  2. Step 2: Convert to fraction form
    557,806.15/836,945.99 = 304,791.10/x
  3. Step 3: Cross multiply
    557,806.15x = 836,945.99 × 304,791.10
  4. Step 4: Simplify right side
    557,806.15x = 255,093,687,408.73
  5. Step 5: Solve for x
    x = 255,093,687,408.73/557,806.15
  6. Step 6: Final answer
    x = 457,316.02

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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.