Finding the Fourth Proportional to 804,573.12, 1,109,818.42 and 477,664.26
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Solution
The fourth proportional to 804,573.12, 1,109,818.42 and 477,664.26 is: 658,884.30
Step by Step Solution
- Step 1: Write the proportion equation
804,573.12 : 1,109,818.42 = 477,664.26 : x - Step 2: Convert to fraction form
804,573.12/1,109,818.42 = 477,664.26/x - Step 3: Cross multiply
804,573.12x = 1,109,818.42 × 477,664.26 - Step 4: Simplify right side
804,573.12x = 530,120,594,323.67 - Step 5: Solve for x
x = 530,120,594,323.67/804,573.12 - Step 6: Final answer
x = 658,884.30
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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.