Finding the Fourth Proportional to 800,619.62, 1,104,701.56 and 456,449.00
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Solution
The fourth proportional to 800,619.62, 1,104,701.56 and 456,449.00 is: 629,812.09
Step by Step Solution
- Step 1: Write the proportion equation
800,619.62 : 1,104,701.56 = 456,449.00 : x - Step 2: Convert to fraction form
800,619.62/1,104,701.56 = 456,449.00/x - Step 3: Cross multiply
800,619.62x = 1,104,701.56 × 456,449.00 - Step 4: Simplify right side
800,619.62x = 504,239,915,695.81 - Step 5: Solve for x
x = 504,239,915,695.81/800,619.62 - Step 6: Final answer
x = 629,812.09
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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.