Home / 668,352.72-1,003,027.20-268,996.80

Finding the Fourth Proportional to 668,352.72, 1,003,027.20 and 268,996.80

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Solution

The fourth proportional to 668,352.72, 1,003,027.20 and 268,996.80 is: 403,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,352.72 : 1,003,027.20 = 268,996.80 : x
  2. Step 2: Convert to fraction form
    668,352.72/1,003,027.20 = 268,996.80/x
  3. Step 3: Cross multiply
    668,352.72x = 1,003,027.20 × 268,996.80
  4. Step 4: Simplify right side
    668,352.72x = 269,811,107,112.96
  5. Step 5: Solve for x
    x = 269,811,107,112.96/668,352.72
  6. Step 6: Final answer
    x = 403,695.68

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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.