Finding the Fourth Proportional to 756,370.98, 1,043,792.10 and 412,207.02
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Solution
The fourth proportional to 756,370.98, 1,043,792.10 and 412,207.02 is: 568,845.77
Step by Step Solution
- Step 1: Write the proportion equation
756,370.98 : 1,043,792.10 = 412,207.02 : x - Step 2: Convert to fraction form
756,370.98/1,043,792.10 = 412,207.02/x - Step 3: Cross multiply
756,370.98x = 1,043,792.10 × 412,207.02 - Step 4: Simplify right side
756,370.98x = 430,258,431,040.54 - Step 5: Solve for x
x = 430,258,431,040.54/756,370.98 - Step 6: Final answer
x = 568,845.77
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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.