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Finding the Fourth Proportional to 481,594.60, 664,598.86 and 277,644.53

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Solution

The fourth proportional to 481,594.60, 664,598.86 and 277,644.53 is: 383,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,594.60 : 664,598.86 = 277,644.53 : x
  2. Step 2: Convert to fraction form
    481,594.60/664,598.86 = 277,644.53/x
  3. Step 3: Cross multiply
    481,594.60x = 664,598.86 × 277,644.53
  4. Step 4: Simplify right side
    481,594.60x = 184,522,240,962.54
  5. Step 5: Solve for x
    x = 184,522,240,962.54/481,594.60
  6. Step 6: Final answer
    x = 383,148.48

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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.