Finding the Fourth Proportional to 864,331.34, 1,192,745.98 and 477,138.44
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Solution
The fourth proportional to 864,331.34, 1,192,745.98 and 477,138.44 is: 658,433.79
Step by Step Solution
- Step 1: Write the proportion equation
864,331.34 : 1,192,745.98 = 477,138.44 : x - Step 2: Convert to fraction form
864,331.34/1,192,745.98 = 477,138.44/x - Step 3: Cross multiply
864,331.34x = 1,192,745.98 × 477,138.44 - Step 4: Simplify right side
864,331.34x = 569,104,956,213.47 - Step 5: Solve for x
x = 569,104,956,213.47/864,331.34 - Step 6: Final answer
x = 658,433.79
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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.