Finding the Fourth Proportional to 720,445.34, 994,186.84 and 414,619.96
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Solution
The fourth proportional to 720,445.34, 994,186.84 and 414,619.96 is: 572,159.59
Step by Step Solution
- Step 1: Write the proportion equation
720,445.34 : 994,186.84 = 414,619.96 : x - Step 2: Convert to fraction form
720,445.34/994,186.84 = 414,619.96/x - Step 3: Cross multiply
720,445.34x = 994,186.84 × 414,619.96 - Step 4: Simplify right side
720,445.34x = 412,209,705,760.23 - Step 5: Solve for x
x = 412,209,705,760.23/720,445.34 - Step 6: Final answer
x = 572,159.59
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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.