Home / 838,735.30-1,258,067.80-270,103.81

Finding the Fourth Proportional to 838,735.30, 1,258,067.80 and 270,103.81

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Solution

The fourth proportional to 838,735.30, 1,258,067.80 and 270,103.81 is: 405,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,735.30 : 1,258,067.80 = 270,103.81 : x
  2. Step 2: Convert to fraction form
    838,735.30/1,258,067.80 = 270,103.81/x
  3. Step 3: Cross multiply
    838,735.30x = 1,258,067.80 × 270,103.81
  4. Step 4: Simplify right side
    838,735.30x = 339,808,902,873.15
  5. Step 5: Solve for x
    x = 339,808,902,873.15/838,735.30
  6. Step 6: Final answer
    x = 405,144.39

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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.