Home / 809,046.20-1,214,006.70-335,779.40

Finding the Fourth Proportional to 809,046.20, 1,214,006.70 and 335,779.40

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Solution

The fourth proportional to 809,046.20, 1,214,006.70 and 335,779.40 is: 503,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,046.20 : 1,214,006.70 = 335,779.40 : x
  2. Step 2: Convert to fraction form
    809,046.20/1,214,006.70 = 335,779.40/x
  3. Step 3: Cross multiply
    809,046.20x = 1,214,006.70 × 335,779.40
  4. Step 4: Simplify right side
    809,046.20x = 407,638,441,321.98
  5. Step 5: Solve for x
    x = 407,638,441,321.98/809,046.20
  6. Step 6: Final answer
    x = 503,850.63

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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.