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Finding the Fourth Proportional to 577,755.07, 797,299.28 and 323,107.27

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Solution

The fourth proportional to 577,755.07, 797,299.28 and 323,107.27 is: 445,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,755.07 : 797,299.28 = 323,107.27 : x
  2. Step 2: Convert to fraction form
    577,755.07/797,299.28 = 323,107.27/x
  3. Step 3: Cross multiply
    577,755.07x = 797,299.28 × 323,107.27
  4. Step 4: Simplify right side
    577,755.07x = 257,613,192,118.23
  5. Step 5: Solve for x
    x = 257,613,192,118.23/577,755.07
  6. Step 6: Final answer
    x = 445,886.51

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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.