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Finding the Fourth Proportional to 474,407.13, 654,670.60 and 259,548.96

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Solution

The fourth proportional to 474,407.13, 654,670.60 and 259,548.96 is: 358,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,407.13 : 654,670.60 = 259,548.96 : x
  2. Step 2: Convert to fraction form
    474,407.13/654,670.60 = 259,548.96/x
  3. Step 3: Cross multiply
    474,407.13x = 654,670.60 × 259,548.96
  4. Step 4: Simplify right side
    474,407.13x = 169,919,073,372.58
  5. Step 5: Solve for x
    x = 169,919,073,372.58/474,407.13
  6. Step 6: Final answer
    x = 358,171.42

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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.