Home / 809,097.30-1,211,313.15-809,097.30

Finding the Fourth Proportional to 809,097.30, 1,211,313.15 and 809,097.30

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Solution

The fourth proportional to 809,097.30, 1,211,313.15 and 809,097.30 is: 1,211,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,097.30 : 1,211,313.15 = 809,097.30 : x
  2. Step 2: Convert to fraction form
    809,097.30/1,211,313.15 = 809,097.30/x
  3. Step 3: Cross multiply
    809,097.30x = 1,211,313.15 × 809,097.30
  4. Step 4: Simplify right side
    809,097.30x = 980,070,199,119.50
  5. Step 5: Solve for x
    x = 980,070,199,119.50/809,097.30
  6. Step 6: Final answer
    x = 1,211,313.15

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Double scale
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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.