Finding the Fourth Proportional to 599,717.80, 827,641.38 and 345,107.08
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Solution
The fourth proportional to 599,717.80, 827,641.38 and 345,107.08 is: 476,265.50
Step by Step Solution
- Step 1: Write the proportion equation
599,717.80 : 827,641.38 = 345,107.08 : x - Step 2: Convert to fraction form
599,717.80/827,641.38 = 345,107.08/x - Step 3: Cross multiply
599,717.80x = 827,641.38 × 345,107.08 - Step 4: Simplify right side
599,717.80x = 285,624,899,938.97 - Step 5: Solve for x
x = 285,624,899,938.97/599,717.80 - Step 6: Final answer
x = 476,265.50
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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.