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Finding the Fourth Proportional to 558,880.52, 771,258.72 and 304,231.64

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Solution

The fourth proportional to 558,880.52, 771,258.72 and 304,231.64 is: 419,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,880.52 : 771,258.72 = 304,231.64 : x
  2. Step 2: Convert to fraction form
    558,880.52/771,258.72 = 304,231.64/x
  3. Step 3: Cross multiply
    558,880.52x = 771,258.72 × 304,231.64
  4. Step 4: Simplify right side
    558,880.52x = 234,641,305,249.90
  5. Step 5: Solve for x
    x = 234,641,305,249.90/558,880.52
  6. Step 6: Final answer
    x = 419,841.62

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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.