Finding the Fourth Proportional to 821,608.41, 1,133,625.22 and 477,239.75
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Solution
The fourth proportional to 821,608.41, 1,133,625.22 and 477,239.75 is: 658,477.94
Step by Step Solution
- Step 1: Write the proportion equation
821,608.41 : 1,133,625.22 = 477,239.75 : x - Step 2: Convert to fraction form
821,608.41/1,133,625.22 = 477,239.75/x - Step 3: Cross multiply
821,608.41x = 1,133,625.22 × 477,239.75 - Step 4: Simplify right side
821,608.41x = 541,011,016,660.84 - Step 5: Solve for x
x = 541,011,016,660.84/821,608.41 - Step 6: Final answer
x = 658,477.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.