Finding the Fourth Proportional to 821,476.67, 1,232,331.61 and 252,905.02
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Solution
The fourth proportional to 821,476.67, 1,232,331.61 and 252,905.02 is: 379,393.43
Step by Step Solution
- Step 1: Write the proportion equation
821,476.67 : 1,232,331.61 = 252,905.02 : x - Step 2: Convert to fraction form
821,476.67/1,232,331.61 = 252,905.02/x - Step 3: Cross multiply
821,476.67x = 1,232,331.61 × 252,905.02 - Step 4: Simplify right side
821,476.67x = 311,662,853,678.46 - Step 5: Solve for x
x = 311,662,853,678.46/821,476.67 - Step 6: Final answer
x = 379,393.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.