Finding the Fourth Proportional to 638,107.48, 957,534.89 and 354,035.66
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Solution
The fourth proportional to 638,107.48, 957,534.89 and 354,035.66 is: 531,260.81
Step by Step Solution
- Step 1: Write the proportion equation
638,107.48 : 957,534.89 = 354,035.66 : x - Step 2: Convert to fraction form
638,107.48/957,534.89 = 354,035.66/x - Step 3: Cross multiply
638,107.48x = 957,534.89 × 354,035.66 - Step 4: Simplify right side
638,107.48x = 339,001,498,569.63 - Step 5: Solve for x
x = 339,001,498,569.63/638,107.48 - Step 6: Final answer
x = 531,260.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.