Finding the Fourth Proportional to 807,637.31, 1,114,546.97 and 445,074.18
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Solution
The fourth proportional to 807,637.31, 1,114,546.97 and 445,074.18 is: 614,206.49
Step by Step Solution
- Step 1: Write the proportion equation
807,637.31 : 1,114,546.97 = 445,074.18 : x - Step 2: Convert to fraction form
807,637.31/1,114,546.97 = 445,074.18/x - Step 3: Cross multiply
807,637.31x = 1,114,546.97 × 445,074.18 - Step 4: Simplify right side
807,637.31x = 496,056,078,744.24 - Step 5: Solve for x
x = 496,056,078,744.24/807,637.31 - Step 6: Final answer
x = 614,206.49
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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.