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Finding the Fourth Proportional to 885,801.80, 1,328,573.10 and 254,649.80

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Solution

The fourth proportional to 885,801.80, 1,328,573.10 and 254,649.80 is: 381,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,801.80 : 1,328,573.10 = 254,649.80 : x
  2. Step 2: Convert to fraction form
    885,801.80/1,328,573.10 = 254,649.80/x
  3. Step 3: Cross multiply
    885,801.80x = 1,328,573.10 × 254,649.80
  4. Step 4: Simplify right side
    885,801.80x = 338,320,874,200.38
  5. Step 5: Solve for x
    x = 338,320,874,200.38/885,801.80
  6. Step 6: Final answer
    x = 381,937.44

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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.