Finding the Fourth Proportional to 744,576.36, 1,108,443.18 and 740,147.70
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Solution
The fourth proportional to 744,576.36, 1,108,443.18 and 740,147.70 is: 1,101,850.28
Step by Step Solution
- Step 1: Write the proportion equation
744,576.36 : 1,108,443.18 = 740,147.70 : x - Step 2: Convert to fraction form
744,576.36/1,108,443.18 = 740,147.70/x - Step 3: Cross multiply
744,576.36x = 1,108,443.18 × 740,147.70 - Step 4: Simplify right side
744,576.36x = 820,411,670,257.69 - Step 5: Solve for x
x = 820,411,670,257.69/744,576.36 - Step 6: Final answer
x = 1,101,850.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.