Finding the Fourth Proportional to 446,589.12, 668,386.74 and 366,622.68
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Solution
The fourth proportional to 446,589.12, 668,386.74 and 366,622.68 is: 548,705.12
Step by Step Solution
- Step 1: Write the proportion equation
446,589.12 : 668,386.74 = 366,622.68 : x - Step 2: Convert to fraction form
446,589.12/668,386.74 = 366,622.68/x - Step 3: Cross multiply
446,589.12x = 668,386.74 × 366,622.68 - Step 4: Simplify right side
446,589.12x = 245,045,737,895.26 - Step 5: Solve for x
x = 245,045,737,895.26/446,589.12 - Step 6: Final answer
x = 548,705.12
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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.