Finding the Fourth Proportional to 800,674, 1,104,944.16 and 438,129.62
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Solution
The fourth proportional to 800,674, 1,104,944.16 and 438,129.62 is: 604,626.56
Step by Step Solution
- Step 1: Write the proportion equation
800,674 : 1,104,944.16 = 438,129.62 : x - Step 2: Convert to fraction form
800,674/1,104,944.16 = 438,129.62/x - Step 3: Cross multiply
800,674x = 1,104,944.16 × 438,129.62 - Step 4: Simplify right side
800,674x = 484,108,764,942.02 - Step 5: Solve for x
x = 484,108,764,942.02/800,674 - Step 6: Final answer
x = 604,626.56
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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.