Home / 668,667.39-1,003,250.79-269,421.45

Finding the Fourth Proportional to 668,667.39, 1,003,250.79 and 269,421.45

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Solution

The fourth proportional to 668,667.39, 1,003,250.79 and 269,421.45 is: 404,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,667.39 : 1,003,250.79 = 269,421.45 : x
  2. Step 2: Convert to fraction form
    668,667.39/1,003,250.79 = 269,421.45/x
  3. Step 3: Cross multiply
    668,667.39x = 1,003,250.79 × 269,421.45
  4. Step 4: Simplify right side
    668,667.39x = 270,297,282,555.45
  5. Step 5: Solve for x
    x = 270,297,282,555.45/668,667.39
  6. Step 6: Final answer
    x = 404,232.79

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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.