Finding the Fourth Proportional to 888,465.73, 1,332,697.57 and 289,425.94
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Solution
The fourth proportional to 888,465.73, 1,332,697.57 and 289,425.94 is: 434,138.58
Step by Step Solution
- Step 1: Write the proportion equation
888,465.73 : 1,332,697.57 = 289,425.94 : x - Step 2: Convert to fraction form
888,465.73/1,332,697.57 = 289,425.94/x - Step 3: Cross multiply
888,465.73x = 1,332,697.57 × 289,425.94 - Step 4: Simplify right side
888,465.73x = 385,717,246,932.97 - Step 5: Solve for x
x = 385,717,246,932.97/888,465.73 - Step 6: Final answer
x = 434,138.58
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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.