Finding the Fourth Proportional to 930,292.91, 1,394,553.61 and 298,763.85
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Solution
The fourth proportional to 930,292.91, 1,394,553.61 and 298,763.85 is: 447,861.32
Step by Step Solution
- Step 1: Write the proportion equation
930,292.91 : 1,394,553.61 = 298,763.85 : x - Step 2: Convert to fraction form
930,292.91/1,394,553.61 = 298,763.85/x - Step 3: Cross multiply
930,292.91x = 1,394,553.61 × 298,763.85 - Step 4: Simplify right side
930,292.91x = 416,642,204,061.18 - Step 5: Solve for x
x = 416,642,204,061.18/930,292.91 - Step 6: Final answer
x = 447,861.32
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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.