Finding the Fourth Proportional to 896,435.80, 1,344,653.70 and 327,815.80
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Solution
The fourth proportional to 896,435.80, 1,344,653.70 and 327,815.80 is: 491,723.70
Step by Step Solution
- Step 1: Write the proportion equation
896,435.80 : 1,344,653.70 = 327,815.80 : x - Step 2: Convert to fraction form
896,435.80/1,344,653.70 = 327,815.80/x - Step 3: Cross multiply
896,435.80x = 1,344,653.70 × 327,815.80 - Step 4: Simplify right side
896,435.80x = 440,798,728,388.46 - Step 5: Solve for x
x = 440,798,728,388.46/896,435.80 - Step 6: Final answer
x = 491,723.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.