Finding the Fourth Proportional to 734,619.68, 1,013,697.28 and 412,365.23
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Solution
The fourth proportional to 734,619.68, 1,013,697.28 and 412,365.23 is: 569,020.30
Step by Step Solution
- Step 1: Write the proportion equation
734,619.68 : 1,013,697.28 = 412,365.23 : x - Step 2: Convert to fraction form
734,619.68/1,013,697.28 = 412,365.23/x - Step 3: Cross multiply
734,619.68x = 1,013,697.28 × 412,365.23 - Step 4: Simplify right side
734,619.68x = 418,013,511,265.91 - Step 5: Solve for x
x = 418,013,511,265.91/734,619.68 - Step 6: Final answer
x = 569,020.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.