Home / 405,664.52-559,645.62-271,571.72

Finding the Fourth Proportional to 405,664.52, 559,645.62 and 271,571.72

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Solution

The fourth proportional to 405,664.52, 559,645.62 and 271,571.72 is: 374,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,664.52 : 559,645.62 = 271,571.72 : x
  2. Step 2: Convert to fraction form
    405,664.52/559,645.62 = 271,571.72/x
  3. Step 3: Cross multiply
    405,664.52x = 559,645.62 × 271,571.72
  4. Step 4: Simplify right side
    405,664.52x = 151,983,923,613.87
  5. Step 5: Solve for x
    x = 151,983,923,613.87/405,664.52
  6. Step 6: Final answer
    x = 374,654.22

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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.