Home / 856,272.60-1,284,020.10-323,616.60

Finding the Fourth Proportional to 856,272.60, 1,284,020.10 and 323,616.60

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Solution

The fourth proportional to 856,272.60, 1,284,020.10 and 323,616.60 is: 485,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,272.60 : 1,284,020.10 = 323,616.60 : x
  2. Step 2: Convert to fraction form
    856,272.60/1,284,020.10 = 323,616.60/x
  3. Step 3: Cross multiply
    856,272.60x = 1,284,020.10 × 323,616.60
  4. Step 4: Simplify right side
    856,272.60x = 415,530,219,093.66
  5. Step 5: Solve for x
    x = 415,530,219,093.66/856,272.60
  6. Step 6: Final answer
    x = 485,277.96

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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.