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Finding the Fourth Proportional to 555,741, 766,917.84 and 301,091.64

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Solution

The fourth proportional to 555,741, 766,917.84 and 301,091.64 is: 415,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,741 : 766,917.84 = 301,091.64 : x
  2. Step 2: Convert to fraction form
    555,741/766,917.84 = 301,091.64/x
  3. Step 3: Cross multiply
    555,741x = 766,917.84 × 301,091.64
  4. Step 4: Simplify right side
    555,741x = 230,912,550,190.86
  5. Step 5: Solve for x
    x = 230,912,550,190.86/555,741
  6. Step 6: Final answer
    x = 415,503.90

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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.