Finding the Fourth Proportional to 1,385,931.44, 2,078,971.67 and 439,375.97
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Solution
The fourth proportional to 1,385,931.44, 2,078,971.67 and 439,375.97 is: 659,087.58
Step by Step Solution
- Step 1: Write the proportion equation
1,385,931.44 : 2,078,971.67 = 439,375.97 : x - Step 2: Convert to fraction form
1,385,931.44/2,078,971.67 = 439,375.97/x - Step 3: Cross multiply
1,385,931.44x = 2,078,971.67 × 439,375.97 - Step 4: Simplify right side
1,385,931.44x = 913,450,194,108.77 - Step 5: Solve for x
x = 913,450,194,108.77/1,385,931.44 - Step 6: Final answer
x = 659,087.58
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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.