Finding the Fourth Proportional to 847,119.84, 1,263,207 and 729,546.72
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Solution
The fourth proportional to 847,119.84, 1,263,207 and 729,546.72 is: 1,087,884.48
Step by Step Solution
- Step 1: Write the proportion equation
847,119.84 : 1,263,207 = 729,546.72 : x - Step 2: Convert to fraction form
847,119.84/1,263,207 = 729,546.72/x - Step 3: Cross multiply
847,119.84x = 1,263,207 × 729,546.72 - Step 4: Simplify right side
847,119.84x = 921,568,523,531.04 - Step 5: Solve for x
x = 921,568,523,531.04/847,119.84 - Step 6: Final answer
x = 1,087,884.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.