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Finding the Fourth Proportional to 550,732.55, 826,335.60 and 298,193.49

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Solution

The fourth proportional to 550,732.55, 826,335.60 and 298,193.49 is: 447,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,732.55 : 826,335.60 = 298,193.49 : x
  2. Step 2: Convert to fraction form
    550,732.55/826,335.60 = 298,193.49/x
  3. Step 3: Cross multiply
    550,732.55x = 826,335.60 × 298,193.49
  4. Step 4: Simplify right side
    550,732.55x = 246,407,896,475.24
  5. Step 5: Solve for x
    x = 246,407,896,475.24/550,732.55
  6. Step 6: Final answer
    x = 447,418.44

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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.