Finding the Fourth Proportional to 888,620, 1,332,793.12 and 289,579.68
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Solution
The fourth proportional to 888,620, 1,332,793.12 and 289,579.68 is: 434,324.91
Step by Step Solution
- Step 1: Write the proportion equation
888,620 : 1,332,793.12 = 289,579.68 : x - Step 2: Convert to fraction form
888,620/1,332,793.12 = 289,579.68/x - Step 3: Cross multiply
888,620x = 1,332,793.12 × 289,579.68 - Step 4: Simplify right side
888,620x = 385,949,805,195.80 - Step 5: Solve for x
x = 385,949,805,195.80/888,620 - Step 6: Final answer
x = 434,324.91
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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.