Finding the Fourth Proportional to 802,089, 1,106,882.82 and 479,812.68
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Solution
The fourth proportional to 802,089, 1,106,882.82 and 479,812.68 is: 662,141.50
Step by Step Solution
- Step 1: Write the proportion equation
802,089 : 1,106,882.82 = 479,812.68 : x - Step 2: Convert to fraction form
802,089/1,106,882.82 = 479,812.68/x - Step 3: Cross multiply
802,089x = 1,106,882.82 × 479,812.68 - Step 4: Simplify right side
802,089x = 531,096,412,310.16 - Step 5: Solve for x
x = 531,096,412,310.16/802,089 - Step 6: Final answer
x = 662,141.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.