Finding the Fourth Proportional to 802,640.43, 1,107,487.85 and 475,893.09
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Solution
The fourth proportional to 802,640.43, 1,107,487.85 and 475,893.09 is: 656,640.00
Step by Step Solution
- Step 1: Write the proportion equation
802,640.43 : 1,107,487.85 = 475,893.09 : x - Step 2: Convert to fraction form
802,640.43/1,107,487.85 = 475,893.09/x - Step 3: Cross multiply
802,640.43x = 1,107,487.85 × 475,893.09 - Step 4: Simplify right side
802,640.43x = 527,045,812,694.49 - Step 5: Solve for x
x = 527,045,812,694.49/802,640.43 - Step 6: Final answer
x = 656,640.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.