Home / 766,857.42-1,058,138.78-444,504.56

Finding the Fourth Proportional to 766,857.42, 1,058,138.78 and 444,504.56

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Solution

The fourth proportional to 766,857.42, 1,058,138.78 and 444,504.56 is: 613,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,857.42 : 1,058,138.78 = 444,504.56 : x
  2. Step 2: Convert to fraction form
    766,857.42/1,058,138.78 = 444,504.56/x
  3. Step 3: Cross multiply
    766,857.42x = 1,058,138.78 × 444,504.56
  4. Step 4: Simplify right side
    766,857.42x = 470,347,512,822.84
  5. Step 5: Solve for x
    x = 470,347,512,822.84/766,857.42
  6. Step 6: Final answer
    x = 613,344.15

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Double scale
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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.