Finding the Fourth Proportional to 988,942.82, 1,481,494.82 and 728,807.99
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Solution
The fourth proportional to 988,942.82, 1,481,494.82 and 728,807.99 is: 1,091,797.46
Step by Step Solution
- Step 1: Write the proportion equation
988,942.82 : 1,481,494.82 = 728,807.99 : x - Step 2: Convert to fraction form
988,942.82/1,481,494.82 = 728,807.99/x - Step 3: Cross multiply
988,942.82x = 1,481,494.82 × 728,807.99 - Step 4: Simplify right side
988,942.82x = 1,079,725,258,315.57 - Step 5: Solve for x
x = 1,079,725,258,315.57/988,942.82 - Step 6: Final answer
x = 1,091,797.46
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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.