Finding the Fourth Proportional to 638,344.44, 880,954.74 and 351,863.88
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Solution
The fourth proportional to 638,344.44, 880,954.74 and 351,863.88 is: 485,593.88
Step by Step Solution
- Step 1: Write the proportion equation
638,344.44 : 880,954.74 = 351,863.88 : x - Step 2: Convert to fraction form
638,344.44/880,954.74 = 351,863.88/x - Step 3: Cross multiply
638,344.44x = 880,954.74 × 351,863.88 - Step 4: Simplify right side
638,344.44x = 309,976,152,920.79 - Step 5: Solve for x
x = 309,976,152,920.79/638,344.44 - Step 6: Final answer
x = 485,593.88
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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.