Finding the Fourth Proportional to 919,072.73, 1,268,231.50 and 531,810.88
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Solution
The fourth proportional to 919,072.73, 1,268,231.50 and 531,810.88 is: 733,847.60
Step by Step Solution
- Step 1: Write the proportion equation
919,072.73 : 1,268,231.50 = 531,810.88 : x - Step 2: Convert to fraction form
919,072.73/1,268,231.50 = 531,810.88/x - Step 3: Cross multiply
919,072.73x = 1,268,231.50 × 531,810.88 - Step 4: Simplify right side
919,072.73x = 674,459,311,695.27 - Step 5: Solve for x
x = 674,459,311,695.27/919,072.73 - Step 6: Final answer
x = 733,847.60
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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.