Finding the Fourth Proportional to 631,183.98, 871,037.10 and 344,704.08
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Solution
The fourth proportional to 631,183.98, 871,037.10 and 344,704.08 is: 475,693.38
Step by Step Solution
- Step 1: Write the proportion equation
631,183.98 : 871,037.10 = 344,704.08 : x - Step 2: Convert to fraction form
631,183.98/871,037.10 = 344,704.08/x - Step 3: Cross multiply
631,183.98x = 871,037.10 × 344,704.08 - Step 4: Simplify right side
631,183.98x = 300,250,042,201.37 - Step 5: Solve for x
x = 300,250,042,201.37/631,183.98 - Step 6: Final answer
x = 475,693.38
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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.