Finding the Fourth Proportional to 737,578.96, 1,017,955.92 and 415,352.08
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Solution
The fourth proportional to 737,578.96, 1,017,955.92 and 415,352.08 is: 573,240.47
Step by Step Solution
- Step 1: Write the proportion equation
737,578.96 : 1,017,955.92 = 415,352.08 : x - Step 2: Convert to fraction form
737,578.96/1,017,955.92 = 415,352.08/x - Step 3: Cross multiply
737,578.96x = 1,017,955.92 × 415,352.08 - Step 4: Simplify right side
737,578.96x = 422,810,108,720.31 - Step 5: Solve for x
x = 422,810,108,720.31/737,578.96 - Step 6: Final answer
x = 573,240.47
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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.