Home / 571,429.13-857,310.97-255,815.69

Finding the Fourth Proportional to 571,429.13, 857,310.97 and 255,815.69

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Solution

The fourth proportional to 571,429.13, 857,310.97 and 255,815.69 is: 383,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,429.13 : 857,310.97 = 255,815.69 : x
  2. Step 2: Convert to fraction form
    571,429.13/857,310.97 = 255,815.69/x
  3. Step 3: Cross multiply
    571,429.13x = 857,310.97 × 255,815.69
  4. Step 4: Simplify right side
    571,429.13x = 219,313,597,335.12
  5. Step 5: Solve for x
    x = 219,313,597,335.12/571,429.13
  6. Step 6: Final answer
    x = 383,798.42

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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.