Home / 668,608.18-1,002,901.32-269,238.89

Finding the Fourth Proportional to 668,608.18, 1,002,901.32 and 269,238.89

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Solution

The fourth proportional to 668,608.18, 1,002,901.32 and 269,238.89 is: 403,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,608.18 : 1,002,901.32 = 269,238.89 : x
  2. Step 2: Convert to fraction form
    668,608.18/1,002,901.32 = 269,238.89/x
  3. Step 3: Cross multiply
    668,608.18x = 1,002,901.32 × 269,238.89
  4. Step 4: Simplify right side
    668,608.18x = 270,020,040,683.59
  5. Step 5: Solve for x
    x = 270,020,040,683.59/668,608.18
  6. Step 6: Final answer
    x = 403,853.93

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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.