Finding the Fourth Proportional to 633,546.56, 874,294.26 and 378,897.75
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Solution
The fourth proportional to 633,546.56, 874,294.26 and 378,897.75 is: 522,878.90
Step by Step Solution
- Step 1: Write the proportion equation
633,546.56 : 874,294.26 = 378,897.75 : x - Step 2: Convert to fraction form
633,546.56/874,294.26 = 378,897.75/x - Step 3: Cross multiply
633,546.56x = 874,294.26 × 378,897.75 - Step 4: Simplify right side
633,546.56x = 331,268,126,531.05 - Step 5: Solve for x
x = 331,268,126,531.05/633,546.56 - Step 6: Final answer
x = 522,878.90
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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.