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Finding the Fourth Proportional to 616,310.58, 850,770.51 and 374,670.33

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Solution

The fourth proportional to 616,310.58, 850,770.51 and 374,670.33 is: 517,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,310.58 : 850,770.51 = 374,670.33 : x
  2. Step 2: Convert to fraction form
    616,310.58/850,770.51 = 374,670.33/x
  3. Step 3: Cross multiply
    616,310.58x = 850,770.51 × 374,670.33
  4. Step 4: Simplify right side
    616,310.58x = 318,758,467,735.97
  5. Step 5: Solve for x
    x = 318,758,467,735.97/616,310.58
  6. Step 6: Final answer
    x = 517,204.28

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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.