Finding the Fourth Proportional to 756,093.78, 1,043,408.84 and 416,562.03
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Solution
The fourth proportional to 756,093.78, 1,043,408.84 and 416,562.03 is: 574,855.28
Step by Step Solution
- Step 1: Write the proportion equation
756,093.78 : 1,043,408.84 = 416,562.03 : x - Step 2: Convert to fraction form
756,093.78/1,043,408.84 = 416,562.03/x - Step 3: Cross multiply
756,093.78x = 1,043,408.84 × 416,562.03 - Step 4: Simplify right side
756,093.78x = 434,644,502,427.54 - Step 5: Solve for x
x = 434,644,502,427.54/756,093.78 - Step 6: Final answer
x = 574,855.28
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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.