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Finding the Fourth Proportional to 787,569, 1,086,845.22 and 429,873

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Solution

The fourth proportional to 787,569, 1,086,845.22 and 429,873 is: 593,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,569 : 1,086,845.22 = 429,873 : x
  2. Step 2: Convert to fraction form
    787,569/1,086,845.22 = 429,873/x
  3. Step 3: Cross multiply
    787,569x = 1,086,845.22 × 429,873
  4. Step 4: Simplify right side
    787,569x = 467,205,415,257.06
  5. Step 5: Solve for x
    x = 467,205,415,257.06/787,569
  6. Step 6: Final answer
    x = 593,224.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.