Finding the Fourth Proportional to 1,127,571.96, 1,691,193.80 and 328,638.98
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Solution
The fourth proportional to 1,127,571.96, 1,691,193.80 and 328,638.98 is: 492,910.63
Step by Step Solution
- Step 1: Write the proportion equation
1,127,571.96 : 1,691,193.80 = 328,638.98 : x - Step 2: Convert to fraction form
1,127,571.96/1,691,193.80 = 328,638.98/x - Step 3: Cross multiply
1,127,571.96x = 1,691,193.80 × 328,638.98 - Step 4: Simplify right side
1,127,571.96x = 555,792,205,414.32 - Step 5: Solve for x
x = 555,792,205,414.32/1,127,571.96 - Step 6: Final answer
x = 492,910.63
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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.