Home / 694,627.60-1,042,022.40-221,360.80

Finding the Fourth Proportional to 694,627.60, 1,042,022.40 and 221,360.80

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Solution

The fourth proportional to 694,627.60, 1,042,022.40 and 221,360.80 is: 332,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,627.60 : 1,042,022.40 = 221,360.80 : x
  2. Step 2: Convert to fraction form
    694,627.60/1,042,022.40 = 221,360.80/x
  3. Step 3: Cross multiply
    694,627.60x = 1,042,022.40 × 221,360.80
  4. Step 4: Simplify right side
    694,627.60x = 230,662,912,081.92
  5. Step 5: Solve for x
    x = 230,662,912,081.92/694,627.60
  6. Step 6: Final answer
    x = 332,067.01

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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.