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Finding the Fourth Proportional to 577,926, 797,537.88 and 376,722

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Solution

The fourth proportional to 577,926, 797,537.88 and 376,722 is: 519,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,926 : 797,537.88 = 376,722 : x
  2. Step 2: Convert to fraction form
    577,926/797,537.88 = 376,722/x
  3. Step 3: Cross multiply
    577,926x = 797,537.88 × 376,722
  4. Step 4: Simplify right side
    577,926x = 300,450,065,229.36
  5. Step 5: Solve for x
    x = 300,450,065,229.36/577,926
  6. Step 6: Final answer
    x = 519,876.36

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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.