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Finding the Fourth Proportional to 616,310.56, 850,770.50 and 374,670.32

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Solution

The fourth proportional to 616,310.56, 850,770.50 and 374,670.32 is: 517,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,310.56 : 850,770.50 = 374,670.32 : x
  2. Step 2: Convert to fraction form
    616,310.56/850,770.50 = 374,670.32/x
  3. Step 3: Cross multiply
    616,310.56x = 850,770.50 × 374,670.32
  4. Step 4: Simplify right side
    616,310.56x = 318,758,455,481.56
  5. Step 5: Solve for x
    x = 318,758,455,481.56/616,310.56
  6. Step 6: Final answer
    x = 517,204.27

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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.