Home / 668,790.23-1,003,218.26-269,377.01

Finding the Fourth Proportional to 668,790.23, 1,003,218.26 and 269,377.01

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Solution

The fourth proportional to 668,790.23, 1,003,218.26 and 269,377.01 is: 404,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,790.23 : 1,003,218.26 = 269,377.01 : x
  2. Step 2: Convert to fraction form
    668,790.23/1,003,218.26 = 269,377.01/x
  3. Step 3: Cross multiply
    668,790.23x = 1,003,218.26 × 269,377.01
  4. Step 4: Simplify right side
    668,790.23x = 270,243,928,893.23
  5. Step 5: Solve for x
    x = 270,243,928,893.23/668,790.23
  6. Step 6: Final answer
    x = 404,078.77

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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.