Home / 885,150.70-1,327,724.02-379,383.73

Finding the Fourth Proportional to 885,150.70, 1,327,724.02 and 379,383.73

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Solution

The fourth proportional to 885,150.70, 1,327,724.02 and 379,383.73 is: 569,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,150.70 : 1,327,724.02 = 379,383.73 : x
  2. Step 2: Convert to fraction form
    885,150.70/1,327,724.02 = 379,383.73/x
  3. Step 3: Cross multiply
    885,150.70x = 1,327,724.02 × 379,383.73
  4. Step 4: Simplify right side
    885,150.70x = 503,716,891,118.20
  5. Step 5: Solve for x
    x = 503,716,891,118.20/885,150.70
  6. Step 6: Final answer
    x = 569,074.72

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Double scale
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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.