Finding the Fourth Proportional to 599,387.07, 827,154.15 and 331,115.07
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Solution
The fourth proportional to 599,387.07, 827,154.15 and 331,115.07 is: 456,938.79
Step by Step Solution
- Step 1: Write the proportion equation
599,387.07 : 827,154.15 = 331,115.07 : x - Step 2: Convert to fraction form
599,387.07/827,154.15 = 331,115.07/x - Step 3: Cross multiply
599,387.07x = 827,154.15 × 331,115.07 - Step 4: Simplify right side
599,387.07x = 273,883,204,278.04 - Step 5: Solve for x
x = 273,883,204,278.04/599,387.07 - Step 6: Final answer
x = 456,938.79
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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.