Finding the Fourth Proportional to 912,922.74, 1,259,408.88 and 590,736.96
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Solution
The fourth proportional to 912,922.74, 1,259,408.88 and 590,736.96 is: 814,942.32
Step by Step Solution
- Step 1: Write the proportion equation
912,922.74 : 1,259,408.88 = 590,736.96 : x - Step 2: Convert to fraction form
912,922.74/1,259,408.88 = 590,736.96/x - Step 3: Cross multiply
912,922.74x = 1,259,408.88 × 590,736.96 - Step 4: Simplify right side
912,922.74x = 743,979,373,168.21 - Step 5: Solve for x
x = 743,979,373,168.21/912,922.74 - Step 6: Final answer
x = 814,942.32
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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.