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Finding the Fourth Proportional to 882,267, 1,323,400.50 and 217,419

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Solution

The fourth proportional to 882,267, 1,323,400.50 and 217,419 is: 326,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,267 : 1,323,400.50 = 217,419 : x
  2. Step 2: Convert to fraction form
    882,267/1,323,400.50 = 217,419/x
  3. Step 3: Cross multiply
    882,267x = 1,323,400.50 × 217,419
  4. Step 4: Simplify right side
    882,267x = 287,732,413,309.50
  5. Step 5: Solve for x
    x = 287,732,413,309.50/882,267
  6. Step 6: Final answer
    x = 326,128.50

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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.