Home / 668,795.88-1,003,226.63-269,382.72

Finding the Fourth Proportional to 668,795.88, 1,003,226.63 and 269,382.72

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Solution

The fourth proportional to 668,795.88, 1,003,226.63 and 269,382.72 is: 404,087.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,795.88 : 1,003,226.63 = 269,382.72 : x
  2. Step 2: Convert to fraction form
    668,795.88/1,003,226.63 = 269,382.72/x
  3. Step 3: Cross multiply
    668,795.88x = 1,003,226.63 × 269,382.72
  4. Step 4: Simplify right side
    668,795.88x = 270,251,917,018.92
  5. Step 5: Solve for x
    x = 270,251,917,018.92/668,795.88
  6. Step 6: Final answer
    x = 404,087.29

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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.