Home / 761,107.75-1,141,729.06-200,142.25

Finding the Fourth Proportional to 761,107.75, 1,141,729.06 and 200,142.25

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Solution

The fourth proportional to 761,107.75, 1,141,729.06 and 200,142.25 is: 300,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,107.75 : 1,141,729.06 = 200,142.25 : x
  2. Step 2: Convert to fraction form
    761,107.75/1,141,729.06 = 200,142.25/x
  3. Step 3: Cross multiply
    761,107.75x = 1,141,729.06 × 200,142.25
  4. Step 4: Simplify right side
    761,107.75x = 228,508,222,458.43
  5. Step 5: Solve for x
    x = 228,508,222,458.43/761,107.75
  6. Step 6: Final answer
    x = 300,231.11

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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.