Home / 885,185.82-1,328,089.77-379,726.38

Finding the Fourth Proportional to 885,185.82, 1,328,089.77 and 379,726.38

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Solution

The fourth proportional to 885,185.82, 1,328,089.77 and 379,726.38 is: 569,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,185.82 : 1,328,089.77 = 379,726.38 : x
  2. Step 2: Convert to fraction form
    885,185.82/1,328,089.77 = 379,726.38/x
  3. Step 3: Cross multiply
    885,185.82x = 1,328,089.77 × 379,726.38
  4. Step 4: Simplify right side
    885,185.82x = 504,310,720,677.13
  5. Step 5: Solve for x
    x = 504,310,720,677.13/885,185.82
  6. Step 6: Final answer
    x = 569,723.00

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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.