Home / 809,213.34-1,213,951.41-303,814.02

Finding the Fourth Proportional to 809,213.34, 1,213,951.41 and 303,814.02

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Solution

The fourth proportional to 809,213.34, 1,213,951.41 and 303,814.02 is: 455,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,213.34 : 1,213,951.41 = 303,814.02 : x
  2. Step 2: Convert to fraction form
    809,213.34/1,213,951.41 = 303,814.02/x
  3. Step 3: Cross multiply
    809,213.34x = 1,213,951.41 × 303,814.02
  4. Step 4: Simplify right side
    809,213.34x = 368,815,457,956.77
  5. Step 5: Solve for x
    x = 368,815,457,956.77/809,213.34
  6. Step 6: Final answer
    x = 455,770.36

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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.