Finding the Fourth Proportional to 489,026.09, 674,235.87 and 349,491.44
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Solution
The fourth proportional to 489,026.09, 674,235.87 and 349,491.44 is: 481,855.00
Step by Step Solution
- Step 1: Write the proportion equation
489,026.09 : 674,235.87 = 349,491.44 : x - Step 2: Convert to fraction form
489,026.09/674,235.87 = 349,491.44/x - Step 3: Cross multiply
489,026.09x = 674,235.87 × 349,491.44 - Step 4: Simplify right side
489,026.09x = 235,639,665,480.95 - Step 5: Solve for x
x = 235,639,665,480.95/489,026.09 - Step 6: Final answer
x = 481,855.00
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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.