Home / 809,177.20-1,213,328.40-335,910.40

Finding the Fourth Proportional to 809,177.20, 1,213,328.40 and 335,910.40

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Solution

The fourth proportional to 809,177.20, 1,213,328.40 and 335,910.40 is: 503,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,177.20 : 1,213,328.40 = 335,910.40 : x
  2. Step 2: Convert to fraction form
    809,177.20/1,213,328.40 = 335,910.40/x
  3. Step 3: Cross multiply
    809,177.20x = 1,213,328.40 × 335,910.40
  4. Step 4: Simplify right side
    809,177.20x = 407,569,628,175.36
  5. Step 5: Solve for x
    x = 407,569,628,175.36/809,177.20
  6. Step 6: Final answer
    x = 503,684.02

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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.