Finding the Fourth Proportional to 730,883.84, 1,008,627.20 and 408,611.84
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Solution
The fourth proportional to 730,883.84, 1,008,627.20 and 408,611.84 is: 563,888.53
Step by Step Solution
- Step 1: Write the proportion equation
730,883.84 : 1,008,627.20 = 408,611.84 : x - Step 2: Convert to fraction form
730,883.84/1,008,627.20 = 408,611.84/x - Step 3: Cross multiply
730,883.84x = 1,008,627.20 × 408,611.84 - Step 4: Simplify right side
730,883.84x = 412,137,016,066.05 - Step 5: Solve for x
x = 412,137,016,066.05/730,883.84 - Step 6: Final answer
x = 563,888.53
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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.