Finding the Fourth Proportional to 964,402.26, 1,331,914.77 and 752,078.58
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Solution
The fourth proportional to 964,402.26, 1,331,914.77 and 752,078.58 is: 1,038,679.20
Step by Step Solution
- Step 1: Write the proportion equation
964,402.26 : 1,331,914.77 = 752,078.58 : x - Step 2: Convert to fraction form
964,402.26/1,331,914.77 = 752,078.58/x - Step 3: Cross multiply
964,402.26x = 1,331,914.77 × 752,078.58 - Step 4: Simplify right side
964,402.26x = 1,001,704,568,902.63 - Step 5: Solve for x
x = 1,001,704,568,902.63/964,402.26 - Step 6: Final answer
x = 1,038,679.20
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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.