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Finding the Fourth Proportional to 600,513.98, 828,719.79 and 328,605.89

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Solution

The fourth proportional to 600,513.98, 828,719.79 and 328,605.89 is: 453,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,513.98 : 828,719.79 = 328,605.89 : x
  2. Step 2: Convert to fraction form
    600,513.98/828,719.79 = 328,605.89/x
  3. Step 3: Cross multiply
    600,513.98x = 828,719.79 × 328,605.89
  4. Step 4: Simplify right side
    600,513.98x = 272,322,204,153.56
  5. Step 5: Solve for x
    x = 272,322,204,153.56/600,513.98
  6. Step 6: Final answer
    x = 453,481.87

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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.