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Finding the Fourth Proportional to 665,354.52, 918,190.08 and 363,548.52

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Solution

The fourth proportional to 665,354.52, 918,190.08 and 363,548.52 is: 501,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,354.52 : 918,190.08 = 363,548.52 : x
  2. Step 2: Convert to fraction form
    665,354.52/918,190.08 = 363,548.52/x
  3. Step 3: Cross multiply
    665,354.52x = 918,190.08 × 363,548.52
  4. Step 4: Simplify right side
    665,354.52x = 333,806,644,662.68
  5. Step 5: Solve for x
    x = 333,806,644,662.68/665,354.52
  6. Step 6: Final answer
    x = 501,697.42

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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.