Finding the Fourth Proportional to 590,803.44, 815,304.60 and 322,531.44
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Solution
The fourth proportional to 590,803.44, 815,304.60 and 322,531.44 is: 445,091.12
Step by Step Solution
- Step 1: Write the proportion equation
590,803.44 : 815,304.60 = 322,531.44 : x - Step 2: Convert to fraction form
590,803.44/815,304.60 = 322,531.44/x - Step 3: Cross multiply
590,803.44x = 815,304.60 × 322,531.44 - Step 4: Simplify right side
590,803.44x = 262,961,366,676.62 - Step 5: Solve for x
x = 262,961,366,676.62/590,803.44 - Step 6: Final answer
x = 445,091.12
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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.