Home / 805,302.16-1,207,067.40-331,729.16

Finding the Fourth Proportional to 805,302.16, 1,207,067.40 and 331,729.16

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Solution

The fourth proportional to 805,302.16, 1,207,067.40 and 331,729.16 is: 497,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,302.16 : 1,207,067.40 = 331,729.16 : x
  2. Step 2: Convert to fraction form
    805,302.16/1,207,067.40 = 331,729.16/x
  3. Step 3: Cross multiply
    805,302.16x = 1,207,067.40 × 331,729.16
  4. Step 4: Simplify right side
    805,302.16x = 400,419,454,665.38
  5. Step 5: Solve for x
    x = 400,419,454,665.38/805,302.16
  6. Step 6: Final answer
    x = 497,228.83

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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.