Finding the Fourth Proportional to 903,136.36, 1,355,516.70 and 482,771.56
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Solution
The fourth proportional to 903,136.36, 1,355,516.70 and 482,771.56 is: 724,591.48
Step by Step Solution
- Step 1: Write the proportion equation
903,136.36 : 1,355,516.70 = 482,771.56 : x - Step 2: Convert to fraction form
903,136.36/1,355,516.70 = 482,771.56/x - Step 3: Cross multiply
903,136.36x = 1,355,516.70 × 482,771.56 - Step 4: Simplify right side
903,136.36x = 654,404,911,865.05 - Step 5: Solve for x
x = 654,404,911,865.05/903,136.36 - Step 6: Final answer
x = 724,591.48
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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.