Home / 809,169.20-1,213,316.40-335,902.40

Finding the Fourth Proportional to 809,169.20, 1,213,316.40 and 335,902.40

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Solution

The fourth proportional to 809,169.20, 1,213,316.40 and 335,902.40 is: 503,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,169.20 : 1,213,316.40 = 335,902.40 : x
  2. Step 2: Convert to fraction form
    809,169.20/1,213,316.40 = 335,902.40/x
  3. Step 3: Cross multiply
    809,169.20x = 1,213,316.40 × 335,902.40
  4. Step 4: Simplify right side
    809,169.20x = 407,555,890,719.36
  5. Step 5: Solve for x
    x = 407,555,890,719.36/809,169.20
  6. Step 6: Final answer
    x = 503,672.03

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1.5x scale

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.