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Finding the Fourth Proportional to 647,858.52, 894,063.69 and 361,372.41

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Solution

The fourth proportional to 647,858.52, 894,063.69 and 361,372.41 is: 498,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,858.52 : 894,063.69 = 361,372.41 : x
  2. Step 2: Convert to fraction form
    647,858.52/894,063.69 = 361,372.41/x
  3. Step 3: Cross multiply
    647,858.52x = 894,063.69 × 361,372.41
  4. Step 4: Simplify right side
    647,858.52x = 323,089,950,348.79
  5. Step 5: Solve for x
    x = 323,089,950,348.79/647,858.52
  6. Step 6: Final answer
    x = 498,704.49

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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.