Finding the Fourth Proportional to 1,076,231.61, 1,613,239.74 and 477,474.75
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Solution
The fourth proportional to 1,076,231.61, 1,613,239.74 and 477,474.75 is: 715,720.70
Step by Step Solution
- Step 1: Write the proportion equation
1,076,231.61 : 1,613,239.74 = 477,474.75 : x - Step 2: Convert to fraction form
1,076,231.61/1,613,239.74 = 477,474.75/x - Step 3: Cross multiply
1,076,231.61x = 1,613,239.74 × 477,474.75 - Step 4: Simplify right side
1,076,231.61x = 770,281,241,546.57 - Step 5: Solve for x
x = 770,281,241,546.57/1,076,231.61 - Step 6: Final answer
x = 715,720.70
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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.