Finding the Fourth Proportional to 1,153,464.80, 1,729,678.80 and 443,256.80
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Solution
The fourth proportional to 1,153,464.80, 1,729,678.80 and 443,256.80 is: 664,685.99
Step by Step Solution
- Step 1: Write the proportion equation
1,153,464.80 : 1,729,678.80 = 443,256.80 : x - Step 2: Convert to fraction form
1,153,464.80/1,729,678.80 = 443,256.80/x - Step 3: Cross multiply
1,153,464.80x = 1,729,678.80 × 443,256.80 - Step 4: Simplify right side
1,153,464.80x = 766,691,889,915.84 - Step 5: Solve for x
x = 766,691,889,915.84/1,153,464.80 - Step 6: Final answer
x = 664,685.99
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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.