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Finding the Fourth Proportional to 492,697.27, 679,871.37 and 363,704.32

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Solution

The fourth proportional to 492,697.27, 679,871.37 and 363,704.32 is: 501,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,697.27 : 679,871.37 = 363,704.32 : x
  2. Step 2: Convert to fraction form
    492,697.27/679,871.37 = 363,704.32/x
  3. Step 3: Cross multiply
    492,697.27x = 679,871.37 × 363,704.32
  4. Step 4: Simplify right side
    492,697.27x = 247,272,154,313.32
  5. Step 5: Solve for x
    x = 247,272,154,313.32/492,697.27
  6. Step 6: Final answer
    x = 501,874.42

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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.