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Finding the Fourth Proportional to 489,119.70, 733,679.55 and 489,119.70

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Solution

The fourth proportional to 489,119.70, 733,679.55 and 489,119.70 is: 733,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,119.70 : 733,679.55 = 489,119.70 : x
  2. Step 2: Convert to fraction form
    489,119.70/733,679.55 = 489,119.70/x
  3. Step 3: Cross multiply
    489,119.70x = 733,679.55 × 489,119.70
  4. Step 4: Simplify right side
    489,119.70x = 358,857,121,392.14
  5. Step 5: Solve for x
    x = 358,857,121,392.14/489,119.70
  6. Step 6: Final answer
    x = 733,679.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.