Finding the Fourth Proportional to 756,651.36, 1,044,190.46 and 412,487.49
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Solution
The fourth proportional to 756,651.36, 1,044,190.46 and 412,487.49 is: 569,239.05
Step by Step Solution
- Step 1: Write the proportion equation
756,651.36 : 1,044,190.46 = 412,487.49 : x - Step 2: Convert to fraction form
756,651.36/1,044,190.46 = 412,487.49/x - Step 3: Cross multiply
756,651.36x = 1,044,190.46 × 412,487.49 - Step 4: Simplify right side
756,651.36x = 430,715,501,927.35 - Step 5: Solve for x
x = 430,715,501,927.35/756,651.36 - Step 6: Final answer
x = 569,239.05
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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.