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Finding the Fourth Proportional to 547,752.30, 821,937.90 and 295,027.44

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Solution

The fourth proportional to 547,752.30, 821,937.90 and 295,027.44 is: 442,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,752.30 : 821,937.90 = 295,027.44 : x
  2. Step 2: Convert to fraction form
    547,752.30/821,937.90 = 295,027.44/x
  3. Step 3: Cross multiply
    547,752.30x = 821,937.90 × 295,027.44
  4. Step 4: Simplify right side
    547,752.30x = 242,494,234,475.98
  5. Step 5: Solve for x
    x = 242,494,234,475.98/547,752.30
  6. Step 6: Final answer
    x = 442,707.83

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Why These Related Problems?

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