Home / 571,481.25-857,046.84-395,121.57

Finding the Fourth Proportional to 571,481.25, 857,046.84 and 395,121.57

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Solution

The fourth proportional to 571,481.25, 857,046.84 and 395,121.57 is: 592,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,481.25 : 857,046.84 = 395,121.57 : x
  2. Step 2: Convert to fraction form
    571,481.25/857,046.84 = 395,121.57/x
  3. Step 3: Cross multiply
    571,481.25x = 857,046.84 × 395,121.57
  4. Step 4: Simplify right side
    571,481.25x = 338,637,692,984.34
  5. Step 5: Solve for x
    x = 338,637,692,984.34/571,481.25
  6. Step 6: Final answer
    x = 592,561.34

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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.