Finding the Fourth Proportional to 667,982.84, 1,001,760.42 and 218,581.88
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Solution
The fourth proportional to 667,982.84, 1,001,760.42 and 218,581.88 is: 327,802.85
Step by Step Solution
- Step 1: Write the proportion equation
667,982.84 : 1,001,760.42 = 218,581.88 : x - Step 2: Convert to fraction form
667,982.84/1,001,760.42 = 218,581.88/x - Step 3: Cross multiply
667,982.84x = 1,001,760.42 × 218,581.88 - Step 4: Simplify right side
667,982.84x = 218,966,675,913.19 - Step 5: Solve for x
x = 218,966,675,913.19/667,982.84 - Step 6: Final answer
x = 327,802.85
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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.