Finding the Fourth Proportional to 705,230.24, 1,057,480.56 and 284,391.84
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Solution
The fourth proportional to 705,230.24, 1,057,480.56 and 284,391.84 is: 426,440.65
Step by Step Solution
- Step 1: Write the proportion equation
705,230.24 : 1,057,480.56 = 284,391.84 : x - Step 2: Convert to fraction form
705,230.24/1,057,480.56 = 284,391.84/x - Step 3: Cross multiply
705,230.24x = 1,057,480.56 × 284,391.84 - Step 4: Simplify right side
705,230.24x = 300,738,842,222.63 - Step 5: Solve for x
x = 300,738,842,222.63/705,230.24 - Step 6: Final answer
x = 426,440.65
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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.