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Finding the Fourth Proportional to 577,627.39, 866,443.52 and 379,203.31

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Solution

The fourth proportional to 577,627.39, 866,443.52 and 379,203.31 is: 568,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,627.39 : 866,443.52 = 379,203.31 : x
  2. Step 2: Convert to fraction form
    577,627.39/866,443.52 = 379,203.31/x
  3. Step 3: Cross multiply
    577,627.39x = 866,443.52 × 379,203.31
  4. Step 4: Simplify right side
    577,627.39x = 328,558,250,712.05
  5. Step 5: Solve for x
    x = 328,558,250,712.05/577,627.39
  6. Step 6: Final answer
    x = 568,806.56

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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.