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Finding the Fourth Proportional to 663,314.33, 994,874.29 and 326,264.51

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Solution

The fourth proportional to 663,314.33, 994,874.29 and 326,264.51 is: 489,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,314.33 : 994,874.29 = 326,264.51 : x
  2. Step 2: Convert to fraction form
    663,314.33/994,874.29 = 326,264.51/x
  3. Step 3: Cross multiply
    663,314.33x = 994,874.29 × 326,264.51
  4. Step 4: Simplify right side
    663,314.33x = 324,592,172,738.45
  5. Step 5: Solve for x
    x = 324,592,172,738.45/663,314.33
  6. Step 6: Final answer
    x = 489,348.95

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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.