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Finding the Fourth Proportional to 617,605.33, 852,101.06 and 345,630.01

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Solution

The fourth proportional to 617,605.33, 852,101.06 and 345,630.01 is: 476,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,605.33 : 852,101.06 = 345,630.01 : x
  2. Step 2: Convert to fraction form
    617,605.33/852,101.06 = 345,630.01/x
  3. Step 3: Cross multiply
    617,605.33x = 852,101.06 × 345,630.01
  4. Step 4: Simplify right side
    617,605.33x = 294,511,694,492.38
  5. Step 5: Solve for x
    x = 294,511,694,492.38/617,605.33
  6. Step 6: Final answer
    x = 476,860.68

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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.