Finding the Fourth Proportional to 815,933.44, 1,223,914.74 and 283,471.84
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Solution
The fourth proportional to 815,933.44, 1,223,914.74 and 283,471.84 is: 425,212.83
Step by Step Solution
- Step 1: Write the proportion equation
815,933.44 : 1,223,914.74 = 283,471.84 : x - Step 2: Convert to fraction form
815,933.44/1,223,914.74 = 283,471.84/x - Step 3: Cross multiply
815,933.44x = 1,223,914.74 × 283,471.84 - Step 4: Simplify right side
815,933.44x = 346,945,363,350.92 - Step 5: Solve for x
x = 346,945,363,350.92/815,933.44 - Step 6: Final answer
x = 425,212.83
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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.