Home / 799,996.20-1,200,007.10-209,020.20

Finding the Fourth Proportional to 799,996.20, 1,200,007.10 and 209,020.20

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Solution

The fourth proportional to 799,996.20, 1,200,007.10 and 209,020.20 is: 313,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,996.20 : 1,200,007.10 = 209,020.20 : x
  2. Step 2: Convert to fraction form
    799,996.20/1,200,007.10 = 209,020.20/x
  3. Step 3: Cross multiply
    799,996.20x = 1,200,007.10 × 209,020.20
  4. Step 4: Simplify right side
    799,996.20x = 250,825,724,043.42
  5. Step 5: Solve for x
    x = 250,825,724,043.42/799,996.20
  6. Step 6: Final answer
    x = 313,533.64

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Double scale
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Similar ratio
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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.