Finding the Fourth Proportional to 994,869.18, 1,372,529.75 and 612,231.66
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Solution
The fourth proportional to 994,869.18, 1,372,529.75 and 612,231.66 is: 844,639.86
Step by Step Solution
- Step 1: Write the proportion equation
994,869.18 : 1,372,529.75 = 612,231.66 : x - Step 2: Convert to fraction form
994,869.18/1,372,529.75 = 612,231.66/x - Step 3: Cross multiply
994,869.18x = 1,372,529.75 × 612,231.66 - Step 4: Simplify right side
994,869.18x = 840,306,164,180.73 - Step 5: Solve for x
x = 840,306,164,180.73/994,869.18 - Step 6: Final answer
x = 844,639.86
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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.