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Finding the Fourth Proportional to 477,900, 659,502 and 276,696

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Solution

The fourth proportional to 477,900, 659,502 and 276,696 is: 381,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,900 : 659,502 = 276,696 : x
  2. Step 2: Convert to fraction form
    477,900/659,502 = 276,696/x
  3. Step 3: Cross multiply
    477,900x = 659,502 × 276,696
  4. Step 4: Simplify right side
    477,900x = 182,481,565,392
  5. Step 5: Solve for x
    x = 182,481,565,392/477,900
  6. Step 6: Final answer
    x = 381,840.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.