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Finding the Fourth Proportional to 481,583.67, 664,583.81 and 277,633.62

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Solution

The fourth proportional to 481,583.67, 664,583.81 and 277,633.62 is: 383,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,583.67 : 664,583.81 = 277,633.62 : x
  2. Step 2: Convert to fraction form
    481,583.67/664,583.81 = 277,633.62/x
  3. Step 3: Cross multiply
    481,583.67x = 664,583.81 × 277,633.62
  4. Step 4: Simplify right side
    481,583.67x = 184,510,807,575.52
  5. Step 5: Solve for x
    x = 184,510,807,575.52/481,583.67
  6. Step 6: Final answer
    x = 383,133.44

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1.5x scale

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.