Finding the Fourth Proportional to 798,996.62, 1,102,608.79 and 436,420.71
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Solution
The fourth proportional to 798,996.62, 1,102,608.79 and 436,420.71 is: 602,257.00
Step by Step Solution
- Step 1: Write the proportion equation
798,996.62 : 1,102,608.79 = 436,420.71 : x - Step 2: Convert to fraction form
798,996.62/1,102,608.79 = 436,420.71/x - Step 3: Cross multiply
798,996.62x = 1,102,608.79 × 436,420.71 - Step 4: Simplify right side
798,996.62x = 481,201,309,892.99 - Step 5: Solve for x
x = 481,201,309,892.99/798,996.62 - Step 6: Final answer
x = 602,257.00
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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.