Finding the Fourth Proportional to 739,549.44, 1,107,146.88 and 458,161.92
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Solution
The fourth proportional to 739,549.44, 1,107,146.88 and 458,161.92 is: 685,894.02
Step by Step Solution
- Step 1: Write the proportion equation
739,549.44 : 1,107,146.88 = 458,161.92 : x - Step 2: Convert to fraction form
739,549.44/1,107,146.88 = 458,161.92/x - Step 3: Cross multiply
739,549.44x = 1,107,146.88 × 458,161.92 - Step 4: Simplify right side
739,549.44x = 507,252,540,262.81 - Step 5: Solve for x
x = 507,252,540,262.81/739,549.44 - Step 6: Final answer
x = 685,894.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.