Finding the Fourth Proportional to 754,021.58, 1,131,838.08 and 305,035.96
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Solution
The fourth proportional to 754,021.58, 1,131,838.08 and 305,035.96 is: 457,879.89
Step by Step Solution
- Step 1: Write the proportion equation
754,021.58 : 1,131,838.08 = 305,035.96 : x - Step 2: Convert to fraction form
754,021.58/1,131,838.08 = 305,035.96/x - Step 3: Cross multiply
754,021.58x = 1,131,838.08 × 305,035.96 - Step 4: Simplify right side
754,021.58x = 345,251,315,297.36 - Step 5: Solve for x
x = 345,251,315,297.36/754,021.58 - Step 6: Final answer
x = 457,879.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.