Finding the Fourth Proportional to 450,716.17, 622,409.79 and 289,850.50
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Solution
The fourth proportional to 450,716.17, 622,409.79 and 289,850.50 is: 400,264.74
Step by Step Solution
- Step 1: Write the proportion equation
450,716.17 : 622,409.79 = 289,850.50 : x - Step 2: Convert to fraction form
450,716.17/622,409.79 = 289,850.50/x - Step 3: Cross multiply
450,716.17x = 622,409.79 × 289,850.50 - Step 4: Simplify right side
450,716.17x = 180,405,788,836.40 - Step 5: Solve for x
x = 180,405,788,836.40/450,716.17 - Step 6: Final answer
x = 400,264.74
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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.