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Finding the Fourth Proportional to 552,189.83, 827,439.27 and 371,605.79

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Solution

The fourth proportional to 552,189.83, 827,439.27 and 371,605.79 is: 556,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,189.83 : 827,439.27 = 371,605.79 : x
  2. Step 2: Convert to fraction form
    552,189.83/827,439.27 = 371,605.79/x
  3. Step 3: Cross multiply
    552,189.83x = 827,439.27 × 371,605.79
  4. Step 4: Simplify right side
    552,189.83x = 307,481,219,468.18
  5. Step 5: Solve for x
    x = 307,481,219,468.18/552,189.83
  6. Step 6: Final answer
    x = 556,839.71

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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.