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Finding the Fourth Proportional to 616,297.98, 850,495.48 and 344,377.34

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Solution

The fourth proportional to 616,297.98, 850,495.48 and 344,377.34 is: 475,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,297.98 : 850,495.48 = 344,377.34 : x
  2. Step 2: Convert to fraction form
    616,297.98/850,495.48 = 344,377.34/x
  3. Step 3: Cross multiply
    616,297.98x = 850,495.48 × 344,377.34
  4. Step 4: Simplify right side
    616,297.98x = 292,891,371,084.42
  5. Step 5: Solve for x
    x = 292,891,371,084.42/616,297.98
  6. Step 6: Final answer
    x = 475,243.11

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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.