Home / 511,815.30-766,556.55-301,863.30

Finding the Fourth Proportional to 511,815.30, 766,556.55 and 301,863.30

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Solution

The fourth proportional to 511,815.30, 766,556.55 and 301,863.30 is: 452,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,815.30 : 766,556.55 = 301,863.30 : x
  2. Step 2: Convert to fraction form
    511,815.30/766,556.55 = 301,863.30/x
  3. Step 3: Cross multiply
    511,815.30x = 766,556.55 × 301,863.30
  4. Step 4: Simplify right side
    511,815.30x = 231,395,289,819.62
  5. Step 5: Solve for x
    x = 231,395,289,819.62/511,815.30
  6. Step 6: Final answer
    x = 452,107.02

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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.