Home / 814,195.52-1,221,404.16-281,573.60

Finding the Fourth Proportional to 814,195.52, 1,221,404.16 and 281,573.60

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Solution

The fourth proportional to 814,195.52, 1,221,404.16 and 281,573.60 is: 422,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,195.52 : 1,221,404.16 = 281,573.60 : x
  2. Step 2: Convert to fraction form
    814,195.52/1,221,404.16 = 281,573.60/x
  3. Step 3: Cross multiply
    814,195.52x = 1,221,404.16 × 281,573.60
  4. Step 4: Simplify right side
    814,195.52x = 343,915,166,386.18
  5. Step 5: Solve for x
    x = 343,915,166,386.18/814,195.52
  6. Step 6: Final answer
    x = 422,398.75

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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.