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Finding the Fourth Proportional to 616,398.68, 850,663.80 and 344,467.10

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Solution

The fourth proportional to 616,398.68, 850,663.80 and 344,467.10 is: 475,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,398.68 : 850,663.80 = 344,467.10 : x
  2. Step 2: Convert to fraction form
    616,398.68/850,663.80 = 344,467.10/x
  3. Step 3: Cross multiply
    616,398.68x = 850,663.80 × 344,467.10
  4. Step 4: Simplify right side
    616,398.68x = 293,025,694,387.64
  5. Step 5: Solve for x
    x = 293,025,694,387.64/616,398.68
  6. Step 6: Final answer
    x = 475,383.39

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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.