Finding the Fourth Proportional to 876,176.60, 1,209,137.63 and 494,210.97
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Solution
The fourth proportional to 876,176.60, 1,209,137.63 and 494,210.97 is: 682,018.99
Step by Step Solution
- Step 1: Write the proportion equation
876,176.60 : 1,209,137.63 = 494,210.97 : x - Step 2: Convert to fraction form
876,176.60/1,209,137.63 = 494,210.97/x - Step 3: Cross multiply
876,176.60x = 1,209,137.63 × 494,210.97 - Step 4: Simplify right side
876,176.60x = 597,569,078,514.75 - Step 5: Solve for x
x = 597,569,078,514.75/876,176.60 - Step 6: Final answer
x = 682,018.99
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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.