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Finding the Fourth Proportional to 538,659.96, 743,353.08 and 296,937.33

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Solution

The fourth proportional to 538,659.96, 743,353.08 and 296,937.33 is: 409,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,659.96 : 743,353.08 = 296,937.33 : x
  2. Step 2: Convert to fraction form
    538,659.96/743,353.08 = 296,937.33/x
  3. Step 3: Cross multiply
    538,659.96x = 743,353.08 × 296,937.33
  4. Step 4: Simplify right side
    538,659.96x = 220,729,278,822.48
  5. Step 5: Solve for x
    x = 220,729,278,822.48/538,659.96
  6. Step 6: Final answer
    x = 409,774.80

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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.