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Finding the Fourth Proportional to 552,131.30, 828,196.95 and 489,145.70

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Solution

The fourth proportional to 552,131.30, 828,196.95 and 489,145.70 is: 733,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,131.30 : 828,196.95 = 489,145.70 : x
  2. Step 2: Convert to fraction form
    552,131.30/828,196.95 = 489,145.70/x
  3. Step 3: Cross multiply
    552,131.30x = 828,196.95 × 489,145.70
  4. Step 4: Simplify right side
    552,131.30x = 405,108,976,845.62
  5. Step 5: Solve for x
    x = 405,108,976,845.62/552,131.30
  6. Step 6: Final answer
    x = 733,718.55

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Similar ratio
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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.