Finding the Fourth Proportional to 756,362.84, 1,043,780.87 and 412,198.84
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Solution
The fourth proportional to 756,362.84, 1,043,780.87 and 412,198.84 is: 568,834.49
Step by Step Solution
- Step 1: Write the proportion equation
756,362.84 : 1,043,780.87 = 412,198.84 : x - Step 2: Convert to fraction form
756,362.84/1,043,780.87 = 412,198.84/x - Step 3: Cross multiply
756,362.84x = 1,043,780.87 × 412,198.84 - Step 4: Simplify right side
756,362.84x = 430,245,266,163.41 - Step 5: Solve for x
x = 430,245,266,163.41/756,362.84 - Step 6: Final answer
x = 568,834.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.