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Finding the Fourth Proportional to 594,896.96, 820,960.80 and 340,258.88

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Solution

The fourth proportional to 594,896.96, 820,960.80 and 340,258.88 is: 469,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,896.96 : 820,960.80 = 340,258.88 : x
  2. Step 2: Convert to fraction form
    594,896.96/820,960.80 = 340,258.88/x
  3. Step 3: Cross multiply
    594,896.96x = 820,960.80 × 340,258.88
  4. Step 4: Simplify right side
    594,896.96x = 279,339,202,331.90
  5. Step 5: Solve for x
    x = 279,339,202,331.90/594,896.96
  6. Step 6: Final answer
    x = 469,558.97

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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.