Finding the Fourth Proportional to 985,731.98, 1,478,688.10 and 275,757.92
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Solution
The fourth proportional to 985,731.98, 1,478,688.10 and 275,757.92 is: 413,662.09
Step by Step Solution
- Step 1: Write the proportion equation
985,731.98 : 1,478,688.10 = 275,757.92 : x - Step 2: Convert to fraction form
985,731.98/1,478,688.10 = 275,757.92/x - Step 3: Cross multiply
985,731.98x = 1,478,688.10 × 275,757.92 - Step 4: Simplify right side
985,731.98x = 407,759,954,784.75 - Step 5: Solve for x
x = 407,759,954,784.75/985,731.98 - Step 6: Final answer
x = 413,662.09
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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.