Finding the Fourth Proportional to 904,831.20, 1,357,245.84 and 230,912.48
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Solution
The fourth proportional to 904,831.20, 1,357,245.84 and 230,912.48 is: 346,368.48
Step by Step Solution
- Step 1: Write the proportion equation
904,831.20 : 1,357,245.84 = 230,912.48 : x - Step 2: Convert to fraction form
904,831.20/1,357,245.84 = 230,912.48/x - Step 3: Cross multiply
904,831.20x = 1,357,245.84 × 230,912.48 - Step 4: Simplify right side
904,831.20x = 313,405,002,884.08 - Step 5: Solve for x
x = 313,405,002,884.08/904,831.20 - Step 6: Final answer
x = 346,368.48
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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.