Home / 571,383.87-788,505.37-313,257.73

Finding the Fourth Proportional to 571,383.87, 788,505.37 and 313,257.73

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Solution

The fourth proportional to 571,383.87, 788,505.37 and 313,257.73 is: 432,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,383.87 : 788,505.37 = 313,257.73 : x
  2. Step 2: Convert to fraction form
    571,383.87/788,505.37 = 313,257.73/x
  3. Step 3: Cross multiply
    571,383.87x = 788,505.37 × 313,257.73
  4. Step 4: Simplify right side
    571,383.87x = 247,005,396,790.20
  5. Step 5: Solve for x
    x = 247,005,396,790.20/571,383.87
  6. Step 6: Final answer
    x = 432,293.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.