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Finding the Fourth Proportional to 800,601.70, 1,200,713.90 and 294,888.02

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Solution

The fourth proportional to 800,601.70, 1,200,713.90 and 294,888.02 is: 442,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,601.70 : 1,200,713.90 = 294,888.02 : x
  2. Step 2: Convert to fraction form
    800,601.70/1,200,713.90 = 294,888.02/x
  3. Step 3: Cross multiply
    800,601.70x = 1,200,713.90 × 294,888.02
  4. Step 4: Simplify right side
    800,601.70x = 354,076,142,944.59
  5. Step 5: Solve for x
    x = 354,076,142,944.59/800,601.70
  6. Step 6: Final answer
    x = 442,262.54

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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.