Finding the Fourth Proportional to 888,478.48, 1,332,716.68 and 289,438.76
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Solution
The fourth proportional to 888,478.48, 1,332,716.68 and 289,438.76 is: 434,157.80
Step by Step Solution
- Step 1: Write the proportion equation
888,478.48 : 1,332,716.68 = 289,438.76 : x - Step 2: Convert to fraction form
888,478.48/1,332,716.68 = 289,438.76/x - Step 3: Cross multiply
888,478.48x = 1,332,716.68 × 289,438.76 - Step 4: Simplify right side
888,478.48x = 385,739,863,290.52 - Step 5: Solve for x
x = 385,739,863,290.52/888,478.48 - Step 6: Final answer
x = 434,157.80
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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.