Finding the Fourth Proportional to 813,583.36, 1,122,745.01 and 451,006.30
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Solution
The fourth proportional to 813,583.36, 1,122,745.01 and 451,006.30 is: 622,388.68
Step by Step Solution
- Step 1: Write the proportion equation
813,583.36 : 1,122,745.01 = 451,006.30 : x - Step 2: Convert to fraction form
813,583.36/1,122,745.01 = 451,006.30/x - Step 3: Cross multiply
813,583.36x = 1,122,745.01 × 451,006.30 - Step 4: Simplify right side
813,583.36x = 506,365,072,803.56 - Step 5: Solve for x
x = 506,365,072,803.56/813,583.36 - Step 6: Final answer
x = 622,388.68
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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.