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Finding the Fourth Proportional to 574,376.52, 792,713.88 and 329,456.84

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Solution

The fourth proportional to 574,376.52, 792,713.88 and 329,456.84 is: 454,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,376.52 : 792,713.88 = 329,456.84 : x
  2. Step 2: Convert to fraction form
    574,376.52/792,713.88 = 329,456.84/x
  3. Step 3: Cross multiply
    574,376.52x = 792,713.88 × 329,456.84
  4. Step 4: Simplify right side
    574,376.52x = 261,165,009,928.94
  5. Step 5: Solve for x
    x = 261,165,009,928.94/574,376.52
  6. Step 6: Final answer
    x = 454,693.05

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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.