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Finding the Fourth Proportional to 885,517.71, 1,328,144.13 and 245,754

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Solution

The fourth proportional to 885,517.71, 1,328,144.13 and 245,754 is: 368,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,517.71 : 1,328,144.13 = 245,754 : x
  2. Step 2: Convert to fraction form
    885,517.71/1,328,144.13 = 245,754/x
  3. Step 3: Cross multiply
    885,517.71x = 1,328,144.13 × 245,754
  4. Step 4: Simplify right side
    885,517.71x = 326,396,732,524.02
  5. Step 5: Solve for x
    x = 326,396,732,524.02/885,517.71
  6. Step 6: Final answer
    x = 368,594.25

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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.