Finding the Fourth Proportional to 979,860.92, 1,469,778.36 and 474,467.09
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Solution
The fourth proportional to 979,860.92, 1,469,778.36 and 474,467.09 is: 711,694.33
Step by Step Solution
- Step 1: Write the proportion equation
979,860.92 : 1,469,778.36 = 474,467.09 : x - Step 2: Convert to fraction form
979,860.92/1,469,778.36 = 474,467.09/x - Step 3: Cross multiply
979,860.92x = 1,469,778.36 × 474,467.09 - Step 4: Simplify right side
979,860.92x = 697,361,461,414.17 - Step 5: Solve for x
x = 697,361,461,414.17/979,860.92 - Step 6: Final answer
x = 711,694.33
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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.