Finding the Fourth Proportional to 888,478, 1,332,855.56 and 289,297.68
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Solution
The fourth proportional to 888,478, 1,332,855.56 and 289,297.68 is: 433,991.64
Step by Step Solution
- Step 1: Write the proportion equation
888,478 : 1,332,855.56 = 289,297.68 : x - Step 2: Convert to fraction form
888,478/1,332,855.56 = 289,297.68/x - Step 3: Cross multiply
888,478x = 1,332,855.56 × 289,297.68 - Step 4: Simplify right side
888,478x = 385,592,021,283.10 - Step 5: Solve for x
x = 385,592,021,283.10/888,478 - Step 6: Final answer
x = 433,991.64
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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.