Finding the Fourth Proportional to 875,788.39, 1,207,552.35 and 617,707.81
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Solution
The fourth proportional to 875,788.39, 1,207,552.35 and 617,707.81 is: 851,706.33
Step by Step Solution
- Step 1: Write the proportion equation
875,788.39 : 1,207,552.35 = 617,707.81 : x - Step 2: Convert to fraction form
875,788.39/1,207,552.35 = 617,707.81/x - Step 3: Cross multiply
875,788.39x = 1,207,552.35 × 617,707.81 - Step 4: Simplify right side
875,788.39x = 745,914,517,578.85 - Step 5: Solve for x
x = 745,914,517,578.85/875,788.39 - Step 6: Final answer
x = 851,706.33
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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.