Home / 766,783.80-1,058,161.68-444,680.73

Finding the Fourth Proportional to 766,783.80, 1,058,161.68 and 444,680.73

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Solution

The fourth proportional to 766,783.80, 1,058,161.68 and 444,680.73 is: 613,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,783.80 : 1,058,161.68 = 444,680.73 : x
  2. Step 2: Convert to fraction form
    766,783.80/1,058,161.68 = 444,680.73/x
  3. Step 3: Cross multiply
    766,783.80x = 1,058,161.68 × 444,680.73
  4. Step 4: Simplify right side
    766,783.80x = 470,544,108,320.43
  5. Step 5: Solve for x
    x = 470,544,108,320.43/766,783.80
  6. Step 6: Final answer
    x = 613,659.43

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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.