Finding the Fourth Proportional to 1,392,258.96, 2,088,649.80 and 445,375.44
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Solution
The fourth proportional to 1,392,258.96, 2,088,649.80 and 445,375.44 is: 668,146.77
Step by Step Solution
- Step 1: Write the proportion equation
1,392,258.96 : 2,088,649.80 = 445,375.44 : x - Step 2: Convert to fraction form
1,392,258.96/2,088,649.80 = 445,375.44/x - Step 3: Cross multiply
1,392,258.96x = 2,088,649.80 × 445,375.44 - Step 4: Simplify right side
1,392,258.96x = 930,233,323,680.91 - Step 5: Solve for x
x = 930,233,323,680.91/1,392,258.96 - Step 6: Final answer
x = 668,146.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.