Home / 762,600.32-1,143,995.82-230,120.48

Finding the Fourth Proportional to 762,600.32, 1,143,995.82 and 230,120.48

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Solution

The fourth proportional to 762,600.32, 1,143,995.82 and 230,120.48 is: 345,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,600.32 : 1,143,995.82 = 230,120.48 : x
  2. Step 2: Convert to fraction form
    762,600.32/1,143,995.82 = 230,120.48/x
  3. Step 3: Cross multiply
    762,600.32x = 1,143,995.82 × 230,120.48
  4. Step 4: Simplify right side
    762,600.32x = 263,256,867,216.39
  5. Step 5: Solve for x
    x = 263,256,867,216.39/762,600.32
  6. Step 6: Final answer
    x = 345,209.49

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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.