Finding the Fourth Proportional to 821,735.70, 1,232,659.23 and 253,081.68
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Solution
The fourth proportional to 821,735.70, 1,232,659.23 and 253,081.68 is: 379,639.67
Step by Step Solution
- Step 1: Write the proportion equation
821,735.70 : 1,232,659.23 = 253,081.68 : x - Step 2: Convert to fraction form
821,735.70/1,232,659.23 = 253,081.68/x - Step 3: Cross multiply
821,735.70x = 1,232,659.23 × 253,081.68 - Step 4: Simplify right side
821,735.70x = 311,963,468,795.91 - Step 5: Solve for x
x = 311,963,468,795.91/821,735.70 - Step 6: Final answer
x = 379,639.67
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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.