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Finding the Fourth Proportional to 599,930.64, 828,112.77 and 345,383.28

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Solution

The fourth proportional to 599,930.64, 828,112.77 and 345,383.28 is: 476,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,930.64 : 828,112.77 = 345,383.28 : x
  2. Step 2: Convert to fraction form
    599,930.64/828,112.77 = 345,383.28/x
  3. Step 3: Cross multiply
    599,930.64x = 828,112.77 × 345,383.28
  4. Step 4: Simplify right side
    599,930.64x = 286,016,304,712.49
  5. Step 5: Solve for x
    x = 286,016,304,712.49/599,930.64
  6. Step 6: Final answer
    x = 476,748.95

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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.