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Finding the Fourth Proportional to 503,258.38, 694,496.57 and 273,815.77

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Solution

The fourth proportional to 503,258.38, 694,496.57 and 273,815.77 is: 377,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,258.38 : 694,496.57 = 273,815.77 : x
  2. Step 2: Convert to fraction form
    503,258.38/694,496.57 = 273,815.77/x
  3. Step 3: Cross multiply
    503,258.38x = 694,496.57 × 273,815.77
  4. Step 4: Simplify right side
    503,258.38x = 190,164,113,076.91
  5. Step 5: Solve for x
    x = 190,164,113,076.91/503,258.38
  6. Step 6: Final answer
    x = 377,865.77

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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.