Home / 961,771.11-1,442,945.52-287,874.42

Finding the Fourth Proportional to 961,771.11, 1,442,945.52 and 287,874.42

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Solution

The fourth proportional to 961,771.11, 1,442,945.52 and 287,874.42 is: 431,898.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,771.11 : 1,442,945.52 = 287,874.42 : x
  2. Step 2: Convert to fraction form
    961,771.11/1,442,945.52 = 287,874.42/x
  3. Step 3: Cross multiply
    961,771.11x = 1,442,945.52 × 287,874.42
  4. Step 4: Simplify right side
    961,771.11x = 415,387,104,661.60
  5. Step 5: Solve for x
    x = 415,387,104,661.60/961,771.11
  6. Step 6: Final answer
    x = 431,898.09

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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.