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Finding the Fourth Proportional to 407,066.42, 609,828.93 and 271,722.39

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Solution

The fourth proportional to 407,066.42, 609,828.93 and 271,722.39 is: 407,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,066.42 : 609,828.93 = 271,722.39 : x
  2. Step 2: Convert to fraction form
    407,066.42/609,828.93 = 271,722.39/x
  3. Step 3: Cross multiply
    407,066.42x = 609,828.93 × 271,722.39
  4. Step 4: Simplify right side
    407,066.42x = 165,704,174,350.74
  5. Step 5: Solve for x
    x = 165,704,174,350.74/407,066.42
  6. Step 6: Final answer
    x = 407,069.13

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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.