Finding the Fourth Proportional to 691,204.08, 953,662.88 and 449,841.92
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Solution
The fourth proportional to 691,204.08, 953,662.88 and 449,841.92 is: 620,652.50
Step by Step Solution
- Step 1: Write the proportion equation
691,204.08 : 953,662.88 = 449,841.92 : x - Step 2: Convert to fraction form
691,204.08/953,662.88 = 449,841.92/x - Step 3: Cross multiply
691,204.08x = 953,662.88 × 449,841.92 - Step 4: Simplify right side
691,204.08x = 428,997,540,971.93 - Step 5: Solve for x
x = 428,997,540,971.93/691,204.08 - Step 6: Final answer
x = 620,652.50
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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.