Home / 857,422.44-1,285,012.44-351,390.96

Finding the Fourth Proportional to 857,422.44, 1,285,012.44 and 351,390.96

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Solution

The fourth proportional to 857,422.44, 1,285,012.44 and 351,390.96 is: 526,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,422.44 : 1,285,012.44 = 351,390.96 : x
  2. Step 2: Convert to fraction form
    857,422.44/1,285,012.44 = 351,390.96/x
  3. Step 3: Cross multiply
    857,422.44x = 1,285,012.44 × 351,390.96
  4. Step 4: Simplify right side
    857,422.44x = 451,541,754,903.54
  5. Step 5: Solve for x
    x = 451,541,754,903.54/857,422.44
  6. Step 6: Final answer
    x = 526,626.94

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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.