Finding the Fourth Proportional to 705,531.98, 1,058,297.98 and 306,163.91
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Solution
The fourth proportional to 705,531.98, 1,058,297.98 and 306,163.91 is: 459,245.87
Step by Step Solution
- Step 1: Write the proportion equation
705,531.98 : 1,058,297.98 = 306,163.91 : x - Step 2: Convert to fraction form
705,531.98/1,058,297.98 = 306,163.91/x - Step 3: Cross multiply
705,531.98x = 1,058,297.98 × 306,163.91 - Step 4: Simplify right side
705,531.98x = 324,012,647,501.90 - Step 5: Solve for x
x = 324,012,647,501.90/705,531.98 - Step 6: Final answer
x = 459,245.87
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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.