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Finding the Fourth Proportional to 477,385.44, 658,773.59 and 262,512.69

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Solution

The fourth proportional to 477,385.44, 658,773.59 and 262,512.69 is: 362,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,385.44 : 658,773.59 = 262,512.69 : x
  2. Step 2: Convert to fraction form
    477,385.44/658,773.59 = 262,512.69/x
  3. Step 3: Cross multiply
    477,385.44x = 658,773.59 × 262,512.69
  4. Step 4: Simplify right side
    477,385.44x = 172,936,425,899.29
  5. Step 5: Solve for x
    x = 172,936,425,899.29/477,385.44
  6. Step 6: Final answer
    x = 362,257.44

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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.