Finding the Fourth Proportional to 743,407.02, 1,025,838.08 and 412,273.62
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Solution
The fourth proportional to 743,407.02, 1,025,838.08 and 412,273.62 is: 568,902.32
Step by Step Solution
- Step 1: Write the proportion equation
743,407.02 : 1,025,838.08 = 412,273.62 : x - Step 2: Convert to fraction form
743,407.02/1,025,838.08 = 412,273.62/x - Step 3: Cross multiply
743,407.02x = 1,025,838.08 × 412,273.62 - Step 4: Simplify right side
743,407.02x = 422,925,976,714.08 - Step 5: Solve for x
x = 422,925,976,714.08/743,407.02 - Step 6: Final answer
x = 568,902.32
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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.