Finding the Fourth Proportional to 841,872.49, 1,262,819.67 and 280,906.99
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Solution
The fourth proportional to 841,872.49, 1,262,819.67 and 280,906.99 is: 421,364.13
Step by Step Solution
- Step 1: Write the proportion equation
841,872.49 : 1,262,819.67 = 280,906.99 : x - Step 2: Convert to fraction form
841,872.49/1,262,819.67 = 280,906.99/x - Step 3: Cross multiply
841,872.49x = 1,262,819.67 × 280,906.99 - Step 4: Simplify right side
841,872.49x = 354,734,866,098.40 - Step 5: Solve for x
x = 354,734,866,098.40/841,872.49 - Step 6: Final answer
x = 421,364.13
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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.