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Finding the Fourth Proportional to 672,168.42, 927,579.42 and 366,241.14

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Solution

The fourth proportional to 672,168.42, 927,579.42 and 366,241.14 is: 505,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,168.42 : 927,579.42 = 366,241.14 : x
  2. Step 2: Convert to fraction form
    672,168.42/927,579.42 = 366,241.14/x
  3. Step 3: Cross multiply
    672,168.42x = 927,579.42 × 366,241.14
  4. Step 4: Simplify right side
    672,168.42x = 339,717,744,221.34
  5. Step 5: Solve for x
    x = 339,717,744,221.34/672,168.42
  6. Step 6: Final answer
    x = 505,405.69

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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.