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Finding the Fourth Proportional to 489,069.20, 733,603.80 and 204,710.60

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Solution

The fourth proportional to 489,069.20, 733,603.80 and 204,710.60 is: 307,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,069.20 : 733,603.80 = 204,710.60 : x
  2. Step 2: Convert to fraction form
    489,069.20/733,603.80 = 204,710.60/x
  3. Step 3: Cross multiply
    489,069.20x = 733,603.80 × 204,710.60
  4. Step 4: Simplify right side
    489,069.20x = 150,176,474,060.28
  5. Step 5: Solve for x
    x = 150,176,474,060.28/489,069.20
  6. Step 6: Final answer
    x = 307,065.90

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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.