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Finding the Fourth Proportional to 882,252, 1,323,378 and 217,404

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Solution

The fourth proportional to 882,252, 1,323,378 and 217,404 is: 326,106

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,252 : 1,323,378 = 217,404 : x
  2. Step 2: Convert to fraction form
    882,252/1,323,378 = 217,404/x
  3. Step 3: Cross multiply
    882,252x = 1,323,378 × 217,404
  4. Step 4: Simplify right side
    882,252x = 287,707,670,712
  5. Step 5: Solve for x
    x = 287,707,670,712/882,252
  6. Step 6: Final answer
    x = 326,106

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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.