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Finding the Fourth Proportional to 883,566, 1,325,349 and 218,718

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Solution

The fourth proportional to 883,566, 1,325,349 and 218,718 is: 328,077

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,566 : 1,325,349 = 218,718 : x
  2. Step 2: Convert to fraction form
    883,566/1,325,349 = 218,718/x
  3. Step 3: Cross multiply
    883,566x = 1,325,349 × 218,718
  4. Step 4: Simplify right side
    883,566x = 289,877,682,582
  5. Step 5: Solve for x
    x = 289,877,682,582/883,566
  6. Step 6: Final answer
    x = 328,077

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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.