Finding the Fourth Proportional to 694,991.16, 1,043,160.84 and 335,415.06
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Solution
The fourth proportional to 694,991.16, 1,043,160.84 and 335,415.06 is: 503,447.92
Step by Step Solution
- Step 1: Write the proportion equation
694,991.16 : 1,043,160.84 = 335,415.06 : x - Step 2: Convert to fraction form
694,991.16/1,043,160.84 = 335,415.06/x - Step 3: Cross multiply
694,991.16x = 1,043,160.84 × 335,415.06 - Step 4: Simplify right side
694,991.16x = 349,891,855,738.25 - Step 5: Solve for x
x = 349,891,855,738.25/694,991.16 - Step 6: Final answer
x = 503,447.92
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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.