Finding the Fourth Proportional to 751,288.70, 1,036,775.97 and 407,125.98
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Solution
The fourth proportional to 751,288.70, 1,036,775.97 and 407,125.98 is: 561,832.53
Step by Step Solution
- Step 1: Write the proportion equation
751,288.70 : 1,036,775.97 = 407,125.98 : x - Step 2: Convert to fraction form
751,288.70/1,036,775.97 = 407,125.98/x - Step 3: Cross multiply
751,288.70x = 1,036,775.97 × 407,125.98 - Step 4: Simplify right side
751,288.70x = 422,098,432,826.70 - Step 5: Solve for x
x = 422,098,432,826.70/751,288.70 - Step 6: Final answer
x = 561,832.53
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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.