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Finding the Fourth Proportional to 619,925.10, 930,469.77 and 304,608.30

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Solution

The fourth proportional to 619,925.10, 930,469.77 and 304,608.30 is: 457,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,925.10 : 930,469.77 = 304,608.30 : x
  2. Step 2: Convert to fraction form
    619,925.10/930,469.77 = 304,608.30/x
  3. Step 3: Cross multiply
    619,925.10x = 930,469.77 × 304,608.30
  4. Step 4: Simplify right side
    619,925.10x = 283,428,814,841.09
  5. Step 5: Solve for x
    x = 283,428,814,841.09/619,925.10
  6. Step 6: Final answer
    x = 457,198.48

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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.