Finding the Fourth Proportional to 631,350.74, 871,232.01 and 344,815.94
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Solution
The fourth proportional to 631,350.74, 871,232.01 and 344,815.94 is: 475,828.51
Step by Step Solution
- Step 1: Write the proportion equation
631,350.74 : 871,232.01 = 344,815.94 : x - Step 2: Convert to fraction form
631,350.74/871,232.01 = 344,815.94/x - Step 3: Cross multiply
631,350.74x = 871,232.01 × 344,815.94 - Step 4: Simplify right side
631,350.74x = 300,414,684,486.24 - Step 5: Solve for x
x = 300,414,684,486.24/631,350.74 - Step 6: Final answer
x = 475,828.51
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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.