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Finding the Fourth Proportional to 574,654.21, 792,953.37 and 329,626.28

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Solution

The fourth proportional to 574,654.21, 792,953.37 and 329,626.28 is: 454,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,654.21 : 792,953.37 = 329,626.28 : x
  2. Step 2: Convert to fraction form
    574,654.21/792,953.37 = 329,626.28/x
  3. Step 3: Cross multiply
    574,654.21x = 792,953.37 × 329,626.28
  4. Step 4: Simplify right side
    574,654.21x = 261,378,268,015.66
  5. Step 5: Solve for x
    x = 261,378,268,015.66/574,654.21
  6. Step 6: Final answer
    x = 454,844.43

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1.5x scale

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.