Finding the Fourth Proportional to 755,706.08, 1,042,884.24 and 416,199.44
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Solution
The fourth proportional to 755,706.08, 1,042,884.24 and 416,199.44 is: 574,360.65
Step by Step Solution
- Step 1: Write the proportion equation
755,706.08 : 1,042,884.24 = 416,199.44 : x - Step 2: Convert to fraction form
755,706.08/1,042,884.24 = 416,199.44/x - Step 3: Cross multiply
755,706.08x = 1,042,884.24 × 416,199.44 - Step 4: Simplify right side
755,706.08x = 434,047,836,672.83 - Step 5: Solve for x
x = 434,047,836,672.83/755,706.08 - Step 6: Final answer
x = 574,360.65
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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.