Finding the Fourth Proportional to 662,972.10, 993,802.05 and 325,736.70
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Solution
The fourth proportional to 662,972.10, 993,802.05 and 325,736.70 is: 488,282.69
Step by Step Solution
- Step 1: Write the proportion equation
662,972.10 : 993,802.05 = 325,736.70 : x - Step 2: Convert to fraction form
662,972.10/993,802.05 = 325,736.70/x - Step 3: Cross multiply
662,972.10x = 993,802.05 × 325,736.70 - Step 4: Simplify right side
662,972.10x = 323,717,800,220.24 - Step 5: Solve for x
x = 323,717,800,220.24/662,972.10 - Step 6: Final answer
x = 488,282.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.