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Finding the Fourth Proportional to 515,957.95, 773,583.60 and 262,748.29

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Solution

The fourth proportional to 515,957.95, 773,583.60 and 262,748.29 is: 393,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,957.95 : 773,583.60 = 262,748.29 : x
  2. Step 2: Convert to fraction form
    515,957.95/773,583.60 = 262,748.29/x
  3. Step 3: Cross multiply
    515,957.95x = 773,583.60 × 262,748.29
  4. Step 4: Simplify right side
    515,957.95x = 203,257,768,072.04
  5. Step 5: Solve for x
    x = 203,257,768,072.04/515,957.95
  6. Step 6: Final answer
    x = 393,942.51

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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.