Home / 809,134.70-1,214,243.79-335,820.52

Finding the Fourth Proportional to 809,134.70, 1,214,243.79 and 335,820.52

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Solution

The fourth proportional to 809,134.70, 1,214,243.79 and 335,820.52 is: 503,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,134.70 : 1,214,243.79 = 335,820.52 : x
  2. Step 2: Convert to fraction form
    809,134.70/1,214,243.79 = 335,820.52/x
  3. Step 3: Cross multiply
    809,134.70x = 1,214,243.79 × 335,820.52
  4. Step 4: Simplify right side
    809,134.70x = 407,767,977,928.96
  5. Step 5: Solve for x
    x = 407,767,977,928.96/809,134.70
  6. Step 6: Final answer
    x = 503,955.62

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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.