Home / 927,456.82-1,391,317.29-287,815.84

Finding the Fourth Proportional to 927,456.82, 1,391,317.29 and 287,815.84

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Solution

The fourth proportional to 927,456.82, 1,391,317.29 and 287,815.84 is: 431,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,456.82 : 1,391,317.29 = 287,815.84 : x
  2. Step 2: Convert to fraction form
    927,456.82/1,391,317.29 = 287,815.84/x
  3. Step 3: Cross multiply
    927,456.82x = 1,391,317.29 × 287,815.84
  4. Step 4: Simplify right side
    927,456.82x = 400,443,151,049.58
  5. Step 5: Solve for x
    x = 400,443,151,049.58/927,456.82
  6. Step 6: Final answer
    x = 431,764.74

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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.