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Finding the Fourth Proportional to 538,735.55, 808,103.30 and 511,796.75

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Solution

The fourth proportional to 538,735.55, 808,103.30 and 511,796.75 is: 767,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,735.55 : 808,103.30 = 511,796.75 : x
  2. Step 2: Convert to fraction form
    538,735.55/808,103.30 = 511,796.75/x
  3. Step 3: Cross multiply
    538,735.55x = 808,103.30 × 511,796.75
  4. Step 4: Simplify right side
    538,735.55x = 413,584,636,004.78
  5. Step 5: Solve for x
    x = 413,584,636,004.78/538,735.55
  6. Step 6: Final answer
    x = 767,695.10

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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.