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Finding the Fourth Proportional to 648,002.49, 894,243.99 and 361,522.63

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Solution

The fourth proportional to 648,002.49, 894,243.99 and 361,522.63 is: 498,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,002.49 : 894,243.99 = 361,522.63 : x
  2. Step 2: Convert to fraction form
    648,002.49/894,243.99 = 361,522.63/x
  3. Step 3: Cross multiply
    648,002.49x = 894,243.99 × 361,522.63
  4. Step 4: Simplify right side
    648,002.49x = 323,289,439,126.49
  5. Step 5: Solve for x
    x = 323,289,439,126.49/648,002.49
  6. Step 6: Final answer
    x = 498,901.54

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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.