Finding the Fourth Proportional to 751,416.75, 1,036,958.76 and 449,610.75
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Solution
The fourth proportional to 751,416.75, 1,036,958.76 and 449,610.75 is: 620,465.02
Step by Step Solution
- Step 1: Write the proportion equation
751,416.75 : 1,036,958.76 = 449,610.75 : x - Step 2: Convert to fraction form
751,416.75/1,036,958.76 = 449,610.75/x - Step 3: Cross multiply
751,416.75x = 1,036,958.76 × 449,610.75 - Step 4: Simplify right side
751,416.75x = 466,227,805,802.67 - Step 5: Solve for x
x = 466,227,805,802.67/751,416.75 - Step 6: Final answer
x = 620,465.02
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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.