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Finding the Fourth Proportional to 401,194.94, 602,733.02 and 378,497.52

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Solution

The fourth proportional to 401,194.94, 602,733.02 and 378,497.52 is: 568,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,194.94 : 602,733.02 = 378,497.52 : x
  2. Step 2: Convert to fraction form
    401,194.94/602,733.02 = 378,497.52/x
  3. Step 3: Cross multiply
    401,194.94x = 602,733.02 × 378,497.52
  4. Step 4: Simplify right side
    401,194.94x = 228,132,951,399.62
  5. Step 5: Solve for x
    x = 228,132,951,399.62/401,194.94
  6. Step 6: Final answer
    x = 568,633.68

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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.