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Finding the Fourth Proportional to 504,015.80, 756,023.70 and 378,044.60

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Solution

The fourth proportional to 504,015.80, 756,023.70 and 378,044.60 is: 567,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,015.80 : 756,023.70 = 378,044.60 : x
  2. Step 2: Convert to fraction form
    504,015.80/756,023.70 = 378,044.60/x
  3. Step 3: Cross multiply
    504,015.80x = 756,023.70 × 378,044.60
  4. Step 4: Simplify right side
    504,015.80x = 285,810,677,257.02
  5. Step 5: Solve for x
    x = 285,810,677,257.02/504,015.80
  6. Step 6: Final answer
    x = 567,066.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.