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Finding the Fourth Proportional to 479,384.92, 661,550.44 and 264,524.88

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Solution

The fourth proportional to 479,384.92, 661,550.44 and 264,524.88 is: 365,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,384.92 : 661,550.44 = 264,524.88 : x
  2. Step 2: Convert to fraction form
    479,384.92/661,550.44 = 264,524.88/x
  3. Step 3: Cross multiply
    479,384.92x = 661,550.44 × 264,524.88
  4. Step 4: Simplify right side
    479,384.92x = 174,996,550,754.95
  5. Step 5: Solve for x
    x = 174,996,550,754.95/479,384.92
  6. Step 6: Final answer
    x = 365,043.92

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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.