Finding the Fourth Proportional to 631,350.91, 871,231.77 and 344,815.63
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Solution
The fourth proportional to 631,350.91, 871,231.77 and 344,815.63 is: 475,827.84
Step by Step Solution
- Step 1: Write the proportion equation
631,350.91 : 871,231.77 = 344,815.63 : x - Step 2: Convert to fraction form
631,350.91/871,231.77 = 344,815.63/x - Step 3: Cross multiply
631,350.91x = 871,231.77 × 344,815.63 - Step 4: Simplify right side
631,350.91x = 300,414,335,340.96 - Step 5: Solve for x
x = 300,414,335,340.96/631,350.91 - Step 6: Final answer
x = 475,827.84
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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.