Finding the Fourth Proportional to 730,858.68, 1,008,592.16 and 408,586.41
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Solution
The fourth proportional to 730,858.68, 1,008,592.16 and 408,586.41 is: 563,853.26
Step by Step Solution
- Step 1: Write the proportion equation
730,858.68 : 1,008,592.16 = 408,586.41 : x - Step 2: Convert to fraction form
730,858.68/1,008,592.16 = 408,586.41/x - Step 3: Cross multiply
730,858.68x = 1,008,592.16 × 408,586.41 - Step 4: Simplify right side
730,858.68x = 412,097,047,765.61 - Step 5: Solve for x
x = 412,097,047,765.61/730,858.68 - Step 6: Final answer
x = 563,853.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.