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Finding the Fourth Proportional to 647,755.52, 971,757.82 and 248,365.14

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Solution

The fourth proportional to 647,755.52, 971,757.82 and 248,365.14 is: 372,595.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,755.52 : 971,757.82 = 248,365.14 : x
  2. Step 2: Convert to fraction form
    647,755.52/971,757.82 = 248,365.14/x
  3. Step 3: Cross multiply
    647,755.52x = 971,757.82 × 248,365.14
  4. Step 4: Simplify right side
    647,755.52x = 241,350,767,010.40
  5. Step 5: Solve for x
    x = 241,350,767,010.40/647,755.52
  6. Step 6: Final answer
    x = 372,595.46

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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.