Home / 950,623.91-1,311,370.31-644,596.73

Finding the Fourth Proportional to 950,623.91, 1,311,370.31 and 644,596.73

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Solution

The fourth proportional to 950,623.91, 1,311,370.31 and 644,596.73 is: 889,210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,623.91 : 1,311,370.31 = 644,596.73 : x
  2. Step 2: Convert to fraction form
    950,623.91/1,311,370.31 = 644,596.73/x
  3. Step 3: Cross multiply
    950,623.91x = 1,311,370.31 × 644,596.73
  4. Step 4: Simplify right side
    950,623.91x = 845,305,013,645.09
  5. Step 5: Solve for x
    x = 845,305,013,645.09/950,623.91
  6. Step 6: Final answer
    x = 889,210.76

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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.