Finding the Fourth Proportional to 756,170.10, 1,134,125.55 and 282,611.70
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Solution
The fourth proportional to 756,170.10, 1,134,125.55 and 282,611.70 is: 423,869.11
Step by Step Solution
- Step 1: Write the proportion equation
756,170.10 : 1,134,125.55 = 282,611.70 : x - Step 2: Convert to fraction form
756,170.10/1,134,125.55 = 282,611.70/x - Step 3: Cross multiply
756,170.10x = 1,134,125.55 × 282,611.70 - Step 4: Simplify right side
756,170.10x = 320,517,149,698.94 - Step 5: Solve for x
x = 320,517,149,698.94/756,170.10 - Step 6: Final answer
x = 423,869.11
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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.