Finding the Fourth Proportional to 820,491.14, 1,230,099.44 and 531,692.70
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Solution
The fourth proportional to 820,491.14, 1,230,099.44 and 531,692.70 is: 797,126.09
Step by Step Solution
- Step 1: Write the proportion equation
820,491.14 : 1,230,099.44 = 531,692.70 : x - Step 2: Convert to fraction form
820,491.14/1,230,099.44 = 531,692.70/x - Step 3: Cross multiply
820,491.14x = 1,230,099.44 × 531,692.70 - Step 4: Simplify right side
820,491.14x = 654,034,889,863.63 - Step 5: Solve for x
x = 654,034,889,863.63/820,491.14 - Step 6: Final answer
x = 797,126.09
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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.