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Finding the Fourth Proportional to 426,504.27, 587,874.15 and 302,366.49

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Solution

The fourth proportional to 426,504.27, 587,874.15 and 302,366.49 is: 416,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,504.27 : 587,874.15 = 302,366.49 : x
  2. Step 2: Convert to fraction form
    426,504.27/587,874.15 = 302,366.49/x
  3. Step 3: Cross multiply
    426,504.27x = 587,874.15 × 302,366.49
  4. Step 4: Simplify right side
    426,504.27x = 177,753,443,297.23
  5. Step 5: Solve for x
    x = 177,753,443,297.23/426,504.27
  6. Step 6: Final answer
    x = 416,768.26

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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.