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Finding the Fourth Proportional to 585,692.22, 808,188.66 and 331,042.80

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Solution

The fourth proportional to 585,692.22, 808,188.66 and 331,042.80 is: 456,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,692.22 : 808,188.66 = 331,042.80 : x
  2. Step 2: Convert to fraction form
    585,692.22/808,188.66 = 331,042.80/x
  3. Step 3: Cross multiply
    585,692.22x = 808,188.66 × 331,042.80
  4. Step 4: Simplify right side
    585,692.22x = 267,545,036,934.65
  5. Step 5: Solve for x
    x = 267,545,036,934.65/585,692.22
  6. Step 6: Final answer
    x = 456,801.42

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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.