Finding the Fourth Proportional to 728,940.24, 1,093,818.60 and 308,530.80
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Solution
The fourth proportional to 728,940.24, 1,093,818.60 and 308,530.80 is: 462,968.99
Step by Step Solution
- Step 1: Write the proportion equation
728,940.24 : 1,093,818.60 = 308,530.80 : x - Step 2: Convert to fraction form
728,940.24/1,093,818.60 = 308,530.80/x - Step 3: Cross multiply
728,940.24x = 1,093,818.60 × 308,530.80 - Step 4: Simplify right side
728,940.24x = 337,476,727,712.88 - Step 5: Solve for x
x = 337,476,727,712.88/728,940.24 - Step 6: Final answer
x = 462,968.99
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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.