Finding the Fourth Proportional to 754,122.02, 1,040,694.36 and 409,957.88
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Solution
The fourth proportional to 754,122.02, 1,040,694.36 and 409,957.88 is: 565,745.12
Step by Step Solution
- Step 1: Write the proportion equation
754,122.02 : 1,040,694.36 = 409,957.88 : x - Step 2: Convert to fraction form
754,122.02/1,040,694.36 = 409,957.88/x - Step 3: Cross multiply
754,122.02x = 1,040,694.36 × 409,957.88 - Step 4: Simplify right side
754,122.02x = 426,640,853,553.56 - Step 5: Solve for x
x = 426,640,853,553.56/754,122.02 - Step 6: Final answer
x = 565,745.12
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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.