Home / 766,750.56-1,058,072.59-422,585.43

Finding the Fourth Proportional to 766,750.56, 1,058,072.59 and 422,585.43

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Solution

The fourth proportional to 766,750.56, 1,058,072.59 and 422,585.43 is: 583,144.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,750.56 : 1,058,072.59 = 422,585.43 : x
  2. Step 2: Convert to fraction form
    766,750.56/1,058,072.59 = 422,585.43/x
  3. Step 3: Cross multiply
    766,750.56x = 1,058,072.59 × 422,585.43
  4. Step 4: Simplify right side
    766,750.56x = 447,126,058,169.89
  5. Step 5: Solve for x
    x = 447,126,058,169.89/766,750.56
  6. Step 6: Final answer
    x = 583,144.09

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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.