Finding the Fourth Proportional to 880,491.45, 1,320,197.42 and 374,764.44
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Solution
The fourth proportional to 880,491.45, 1,320,197.42 and 374,764.44 is: 561,916.92
Step by Step Solution
- Step 1: Write the proportion equation
880,491.45 : 1,320,197.42 = 374,764.44 : x - Step 2: Convert to fraction form
880,491.45/1,320,197.42 = 374,764.44/x - Step 3: Cross multiply
880,491.45x = 1,320,197.42 × 374,764.44 - Step 4: Simplify right side
880,491.45x = 494,763,047,732.66 - Step 5: Solve for x
x = 494,763,047,732.66/880,491.45 - Step 6: Final answer
x = 561,916.92
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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.