Home / 857,028.42-1,285,358.10-351,093.30

Finding the Fourth Proportional to 857,028.42, 1,285,358.10 and 351,093.30

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Solution

The fourth proportional to 857,028.42, 1,285,358.10 and 351,093.30 is: 526,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,028.42 : 1,285,358.10 = 351,093.30 : x
  2. Step 2: Convert to fraction form
    857,028.42/1,285,358.10 = 351,093.30/x
  3. Step 3: Cross multiply
    857,028.42x = 1,285,358.10 × 351,093.30
  4. Step 4: Simplify right side
    857,028.42x = 451,280,617,010.73
  5. Step 5: Solve for x
    x = 451,280,617,010.73/857,028.42
  6. Step 6: Final answer
    x = 526,564.35

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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.