Finding the Fourth Proportional to 728,276.07, 1,092,414.09 and 229,640.07
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Solution
The fourth proportional to 728,276.07, 1,092,414.09 and 229,640.07 is: 344,460.10
Step by Step Solution
- Step 1: Write the proportion equation
728,276.07 : 1,092,414.09 = 229,640.07 : x - Step 2: Convert to fraction form
728,276.07/1,092,414.09 = 229,640.07/x - Step 3: Cross multiply
728,276.07x = 1,092,414.09 × 229,640.07 - Step 4: Simplify right side
728,276.07x = 250,862,048,096.59 - Step 5: Solve for x
x = 250,862,048,096.59/728,276.07 - Step 6: Final answer
x = 344,460.10
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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.