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Finding the Fourth Proportional to 479,670.66, 661,945.50 and 264,811.14

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Solution

The fourth proportional to 479,670.66, 661,945.50 and 264,811.14 is: 365,439.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,670.66 : 661,945.50 = 264,811.14 : x
  2. Step 2: Convert to fraction form
    479,670.66/661,945.50 = 264,811.14/x
  3. Step 3: Cross multiply
    479,670.66x = 661,945.50 × 264,811.14
  4. Step 4: Simplify right side
    479,670.66x = 175,290,542,472.87
  5. Step 5: Solve for x
    x = 175,290,542,472.87/479,670.66
  6. Step 6: Final answer
    x = 365,439.37

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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.