Finding the Fourth Proportional to 738,135.10, 1,107,202.65 and 731,136.70
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Solution
The fourth proportional to 738,135.10, 1,107,202.65 and 731,136.70 is: 1,096,705.05
Step by Step Solution
- Step 1: Write the proportion equation
738,135.10 : 1,107,202.65 = 731,136.70 : x - Step 2: Convert to fraction form
738,135.10/1,107,202.65 = 731,136.70/x - Step 3: Cross multiply
738,135.10x = 1,107,202.65 × 731,136.70 - Step 4: Simplify right side
738,135.10x = 809,516,491,752.26 - Step 5: Solve for x
x = 809,516,491,752.26/738,135.10 - Step 6: Final answer
x = 1,096,705.05
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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.