Finding the Fourth Proportional to 896,591.96, 1,237,240.70 and 494,183.96
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Solution
The fourth proportional to 896,591.96, 1,237,240.70 and 494,183.96 is: 681,942.89
Step by Step Solution
- Step 1: Write the proportion equation
896,591.96 : 1,237,240.70 = 494,183.96 : x - Step 2: Convert to fraction form
896,591.96/1,237,240.70 = 494,183.96/x - Step 3: Cross multiply
896,591.96x = 1,237,240.70 × 494,183.96 - Step 4: Simplify right side
896,591.96x = 611,424,508,599.17 - Step 5: Solve for x
x = 611,424,508,599.17/896,591.96 - Step 6: Final answer
x = 681,942.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.