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Finding the Fourth Proportional to 536,716.86, 740,676.78 and 295,021.68

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Solution

The fourth proportional to 536,716.86, 740,676.78 and 295,021.68 is: 407,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,716.86 : 740,676.78 = 295,021.68 : x
  2. Step 2: Convert to fraction form
    536,716.86/740,676.78 = 295,021.68/x
  3. Step 3: Cross multiply
    536,716.86x = 740,676.78 × 295,021.68
  4. Step 4: Simplify right side
    536,716.86x = 218,515,707,972.59
  5. Step 5: Solve for x
    x = 218,515,707,972.59/536,716.86
  6. Step 6: Final answer
    x = 407,134.05

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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.