Home / 694,732.60-1,042,001.70-221,465.80

Finding the Fourth Proportional to 694,732.60, 1,042,001.70 and 221,465.80

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Solution

The fourth proportional to 694,732.60, 1,042,001.70 and 221,465.80 is: 332,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,732.60 : 1,042,001.70 = 221,465.80 : x
  2. Step 2: Convert to fraction form
    694,732.60/1,042,001.70 = 221,465.80/x
  3. Step 3: Cross multiply
    694,732.60x = 1,042,001.70 × 221,465.80
  4. Step 4: Simplify right side
    694,732.60x = 230,767,740,091.86
  5. Step 5: Solve for x
    x = 230,767,740,091.86/694,732.60
  6. Step 6: Final answer
    x = 332,167.71

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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.