Finding the Fourth Proportional to 729,008.74, 1,093,506.39 and 230,372.74
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Solution
The fourth proportional to 729,008.74, 1,093,506.39 and 230,372.74 is: 345,556.99
Step by Step Solution
- Step 1: Write the proportion equation
729,008.74 : 1,093,506.39 = 230,372.74 : x - Step 2: Convert to fraction form
729,008.74/1,093,506.39 = 230,372.74/x - Step 3: Cross multiply
729,008.74x = 1,093,506.39 × 230,372.74 - Step 4: Simplify right side
729,008.74x = 251,914,063,271.81 - Step 5: Solve for x
x = 251,914,063,271.81/729,008.74 - Step 6: Final answer
x = 345,556.99
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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.