Home / 885,149.70-1,327,722.53-379,382.73

Finding the Fourth Proportional to 885,149.70, 1,327,722.53 and 379,382.73

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Solution

The fourth proportional to 885,149.70, 1,327,722.53 and 379,382.73 is: 569,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,149.70 : 1,327,722.53 = 379,382.73 : x
  2. Step 2: Convert to fraction form
    885,149.70/1,327,722.53 = 379,382.73/x
  3. Step 3: Cross multiply
    885,149.70x = 1,327,722.53 × 379,382.73
  4. Step 4: Simplify right side
    885,149.70x = 503,714,996,216.99
  5. Step 5: Solve for x
    x = 503,714,996,216.99/885,149.70
  6. Step 6: Final answer
    x = 569,073.23

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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.