Home / 809,043.20-1,214,002.20-335,776.40

Finding the Fourth Proportional to 809,043.20, 1,214,002.20 and 335,776.40

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Solution

The fourth proportional to 809,043.20, 1,214,002.20 and 335,776.40 is: 503,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,043.20 : 1,214,002.20 = 335,776.40 : x
  2. Step 2: Convert to fraction form
    809,043.20/1,214,002.20 = 335,776.40/x
  3. Step 3: Cross multiply
    809,043.20x = 1,214,002.20 × 335,776.40
  4. Step 4: Simplify right side
    809,043.20x = 407,633,288,308.08
  5. Step 5: Solve for x
    x = 407,633,288,308.08/809,043.20
  6. Step 6: Final answer
    x = 503,846.13

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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.