Finding the Fourth Proportional to 888,482.64, 1,332,722.86 and 289,442.80
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Solution
The fourth proportional to 888,482.64, 1,332,722.86 and 289,442.80 is: 434,163.84
Step by Step Solution
- Step 1: Write the proportion equation
888,482.64 : 1,332,722.86 = 289,442.80 : x - Step 2: Convert to fraction form
888,482.64/1,332,722.86 = 289,442.80/x - Step 3: Cross multiply
888,482.64x = 1,332,722.86 × 289,442.80 - Step 4: Simplify right side
888,482.64x = 385,747,036,222.41 - Step 5: Solve for x
x = 385,747,036,222.41/888,482.64 - Step 6: Final answer
x = 434,163.84
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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.