Home / 786,080.32-1,179,115.44-225,116.80

Finding the Fourth Proportional to 786,080.32, 1,179,115.44 and 225,116.80

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Solution

The fourth proportional to 786,080.32, 1,179,115.44 and 225,116.80 is: 337,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,080.32 : 1,179,115.44 = 225,116.80 : x
  2. Step 2: Convert to fraction form
    786,080.32/1,179,115.44 = 225,116.80/x
  3. Step 3: Cross multiply
    786,080.32x = 1,179,115.44 × 225,116.80
  4. Step 4: Simplify right side
    786,080.32x = 265,438,694,683.39
  5. Step 5: Solve for x
    x = 265,438,694,683.39/786,080.32
  6. Step 6: Final answer
    x = 337,673.76

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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.