Finding the Fourth Proportional to 731,223.09, 1,096,611.15 and 257,797.74
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Solution
The fourth proportional to 731,223.09, 1,096,611.15 and 257,797.74 is: 386,617.82
Step by Step Solution
- Step 1: Write the proportion equation
731,223.09 : 1,096,611.15 = 257,797.74 : x - Step 2: Convert to fraction form
731,223.09/1,096,611.15 = 257,797.74/x - Step 3: Cross multiply
731,223.09x = 1,096,611.15 × 257,797.74 - Step 4: Simplify right side
731,223.09x = 282,703,876,128.80 - Step 5: Solve for x
x = 282,703,876,128.80/731,223.09 - Step 6: Final answer
x = 386,617.82
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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.