Finding the Fourth Proportional to 888,467.62, 1,332,700.36 and 289,427.80
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Solution
The fourth proportional to 888,467.62, 1,332,700.36 and 289,427.80 is: 434,141.35
Step by Step Solution
- Step 1: Write the proportion equation
888,467.62 : 1,332,700.36 = 289,427.80 : x - Step 2: Convert to fraction form
888,467.62/1,332,700.36 = 289,427.80/x - Step 3: Cross multiply
888,467.62x = 1,332,700.36 × 289,427.80 - Step 4: Simplify right side
888,467.62x = 385,720,533,254.01 - Step 5: Solve for x
x = 385,720,533,254.01/888,467.62 - Step 6: Final answer
x = 434,141.35
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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.