Finding the Fourth Proportional to 804,130.38, 1,109,702.97 and 436,608.09
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Solution
The fourth proportional to 804,130.38, 1,109,702.97 and 436,608.09 is: 602,520.82
Step by Step Solution
- Step 1: Write the proportion equation
804,130.38 : 1,109,702.97 = 436,608.09 : x - Step 2: Convert to fraction form
804,130.38/1,109,702.97 = 436,608.09/x - Step 3: Cross multiply
804,130.38x = 1,109,702.97 × 436,608.09 - Step 4: Simplify right side
804,130.38x = 484,505,294,199.03 - Step 5: Solve for x
x = 484,505,294,199.03/804,130.38 - Step 6: Final answer
x = 602,520.82
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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.