Finding the Fourth Proportional to 672,576.62, 928,149.64 and 370,770.62
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Solution
The fourth proportional to 672,576.62, 928,149.64 and 370,770.62 is: 511,660.09
Step by Step Solution
- Step 1: Write the proportion equation
672,576.62 : 928,149.64 = 370,770.62 : x - Step 2: Convert to fraction form
672,576.62/928,149.64 = 370,770.62/x - Step 3: Cross multiply
672,576.62x = 928,149.64 × 370,770.62 - Step 4: Simplify right side
672,576.62x = 344,130,611,907.90 - Step 5: Solve for x
x = 344,130,611,907.90/672,576.62 - Step 6: Final answer
x = 511,660.09
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1.5x scale
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.