Home / 766,175.36-1,057,321.96-444,072.32

Finding the Fourth Proportional to 766,175.36, 1,057,321.96 and 444,072.32

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Solution

The fourth proportional to 766,175.36, 1,057,321.96 and 444,072.32 is: 612,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,175.36 : 1,057,321.96 = 444,072.32 : x
  2. Step 2: Convert to fraction form
    766,175.36/1,057,321.96 = 444,072.32/x
  3. Step 3: Cross multiply
    766,175.36x = 1,057,321.96 × 444,072.32
  4. Step 4: Simplify right side
    766,175.36x = 469,527,415,764.15
  5. Step 5: Solve for x
    x = 469,527,415,764.15/766,175.36
  6. Step 6: Final answer
    x = 612,819.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.