Finding the Fourth Proportional to 1,708,589.40, 2,562,689.70 and 446,544.60
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Solution
The fourth proportional to 1,708,589.40, 2,562,689.70 and 446,544.60 is: 669,766.09
Step by Step Solution
- Step 1: Write the proportion equation
1,708,589.40 : 2,562,689.70 = 446,544.60 : x - Step 2: Convert to fraction form
1,708,589.40/2,562,689.70 = 446,544.60/x - Step 3: Cross multiply
1,708,589.40x = 2,562,689.70 × 446,544.60 - Step 4: Simplify right side
1,708,589.40x = 1,144,355,247,010.62 - Step 5: Solve for x
x = 1,144,355,247,010.62/1,708,589.40 - Step 6: Final answer
x = 669,766.09
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1.5x scale
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.