Finding the Fourth Proportional to 752,397.05, 1,128,632.49 and 303,057.25
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Solution
The fourth proportional to 752,397.05, 1,128,632.49 and 303,057.25 is: 454,600.74
Step by Step Solution
- Step 1: Write the proportion equation
752,397.05 : 1,128,632.49 = 303,057.25 : x - Step 2: Convert to fraction form
752,397.05/1,128,632.49 = 303,057.25/x - Step 3: Cross multiply
752,397.05x = 1,128,632.49 × 303,057.25 - Step 4: Simplify right side
752,397.05x = 342,040,255,858.47 - Step 5: Solve for x
x = 342,040,255,858.47/752,397.05 - Step 6: Final answer
x = 454,600.74
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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.