Home / 668,666.27-1,003,249.10-269,420.33

Finding the Fourth Proportional to 668,666.27, 1,003,249.10 and 269,420.33

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Solution

The fourth proportional to 668,666.27, 1,003,249.10 and 269,420.33 is: 404,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,666.27 : 1,003,249.10 = 269,420.33 : x
  2. Step 2: Convert to fraction form
    668,666.27/1,003,249.10 = 269,420.33/x
  3. Step 3: Cross multiply
    668,666.27x = 1,003,249.10 × 269,420.33
  4. Step 4: Simplify right side
    668,666.27x = 270,295,699,251.51
  5. Step 5: Solve for x
    x = 270,295,699,251.51/668,666.27
  6. Step 6: Final answer
    x = 404,231.10

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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.