Home / 639,268.91-882,189.33-352,786.94

Finding the Fourth Proportional to 639,268.91, 882,189.33 and 352,786.94

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Solution

The fourth proportional to 639,268.91, 882,189.33 and 352,786.94 is: 486,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,268.91 : 882,189.33 = 352,786.94 : x
  2. Step 2: Convert to fraction form
    639,268.91/882,189.33 = 352,786.94/x
  3. Step 3: Cross multiply
    639,268.91x = 882,189.33 × 352,786.94
  4. Step 4: Simplify right side
    639,268.91x = 311,224,876,767.98
  5. Step 5: Solve for x
    x = 311,224,876,767.98/639,268.91
  6. Step 6: Final answer
    x = 486,845.01

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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.