Finding the Fourth Proportional to 782,517.23, 1,173,821.96 and 221,504.75
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Solution
The fourth proportional to 782,517.23, 1,173,821.96 and 221,504.75 is: 332,270.18
Step by Step Solution
- Step 1: Write the proportion equation
782,517.23 : 1,173,821.96 = 221,504.75 : x - Step 2: Convert to fraction form
782,517.23/1,173,821.96 = 221,504.75/x - Step 3: Cross multiply
782,517.23x = 1,173,821.96 × 221,504.75 - Step 4: Simplify right side
782,517.23x = 260,007,139,794.31 - Step 5: Solve for x
x = 260,007,139,794.31/782,517.23 - Step 6: Final answer
x = 332,270.18
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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.