Finding the Fourth Proportional to 875,578.82, 1,313,874.68 and 370,107.09
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Solution
The fourth proportional to 875,578.82, 1,313,874.68 and 370,107.09 is: 555,374.71
Step by Step Solution
- Step 1: Write the proportion equation
875,578.82 : 1,313,874.68 = 370,107.09 : x - Step 2: Convert to fraction form
875,578.82/1,313,874.68 = 370,107.09/x - Step 3: Cross multiply
875,578.82x = 1,313,874.68 × 370,107.09 - Step 4: Simplify right side
875,578.82x = 486,274,332,588.95 - Step 5: Solve for x
x = 486,274,332,588.95/875,578.82 - Step 6: Final answer
x = 555,374.71
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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.