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Finding the Fourth Proportional to 547,524.90, 755,576.37 and 305,810.91

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Solution

The fourth proportional to 547,524.90, 755,576.37 and 305,810.91 is: 422,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,524.90 : 755,576.37 = 305,810.91 : x
  2. Step 2: Convert to fraction form
    547,524.90/755,576.37 = 305,810.91/x
  3. Step 3: Cross multiply
    547,524.90x = 755,576.37 × 305,810.91
  4. Step 4: Simplify right side
    547,524.90x = 231,063,497,284.20
  5. Step 5: Solve for x
    x = 231,063,497,284.20/547,524.90
  6. Step 6: Final answer
    x = 422,014.59

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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.