Finding the Fourth Proportional to 755,218.06, 1,042,205.26 and 411,053.18
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Solution
The fourth proportional to 755,218.06, 1,042,205.26 and 411,053.18 is: 567,255.75
Step by Step Solution
- Step 1: Write the proportion equation
755,218.06 : 1,042,205.26 = 411,053.18 : x - Step 2: Convert to fraction form
755,218.06/1,042,205.26 = 411,053.18/x - Step 3: Cross multiply
755,218.06x = 1,042,205.26 × 411,053.18 - Step 4: Simplify right side
755,218.06x = 428,401,786,335.73 - Step 5: Solve for x
x = 428,401,786,335.73/755,218.06 - Step 6: Final answer
x = 567,255.75
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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.