Finding the Fourth Proportional to 1,316,916.40, 1,975,375.37 and 370,287.12
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Solution
The fourth proportional to 1,316,916.40, 1,975,375.37 and 370,287.12 is: 555,430.90
Step by Step Solution
- Step 1: Write the proportion equation
1,316,916.40 : 1,975,375.37 = 370,287.12 : x - Step 2: Convert to fraction form
1,316,916.40/1,975,375.37 = 370,287.12/x - Step 3: Cross multiply
1,316,916.40x = 1,975,375.37 × 370,287.12 - Step 4: Simplify right side
1,316,916.40x = 731,456,056,676.23 - Step 5: Solve for x
x = 731,456,056,676.23/1,316,916.40 - Step 6: Final answer
x = 555,430.90
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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.