Finding the Fourth Proportional to 638,716.08, 881,398.50 and 366,592.43
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Solution
The fourth proportional to 638,716.08, 881,398.50 and 366,592.43 is: 505,880.51
Step by Step Solution
- Step 1: Write the proportion equation
638,716.08 : 881,398.50 = 366,592.43 : x - Step 2: Convert to fraction form
638,716.08/881,398.50 = 366,592.43/x - Step 3: Cross multiply
638,716.08x = 881,398.50 × 366,592.43 - Step 4: Simplify right side
638,716.08x = 323,114,018,742.13 - Step 5: Solve for x
x = 323,114,018,742.13/638,716.08 - Step 6: Final answer
x = 505,880.51
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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.