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Finding the Fourth Proportional to 911,110.52, 1,366,207 and 303,683.69

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Solution

The fourth proportional to 911,110.52, 1,366,207 and 303,683.69 is: 455,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,110.52 : 1,366,207 = 303,683.69 : x
  2. Step 2: Convert to fraction form
    911,110.52/1,366,207 = 303,683.69/x
  3. Step 3: Cross multiply
    911,110.52x = 1,366,207 × 303,683.69
  4. Step 4: Simplify right side
    911,110.52x = 414,894,783,063.83
  5. Step 5: Solve for x
    x = 414,894,783,063.83/911,110.52
  6. Step 6: Final answer
    x = 455,372.62

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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.