Finding the Fourth Proportional to 915,287.58, 1,263,236.67 and 584,286.50
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Solution
The fourth proportional to 915,287.58, 1,263,236.67 and 584,286.50 is: 806,404.62
Step by Step Solution
- Step 1: Write the proportion equation
915,287.58 : 1,263,236.67 = 584,286.50 : x - Step 2: Convert to fraction form
915,287.58/1,263,236.67 = 584,286.50/x - Step 3: Cross multiply
915,287.58x = 1,263,236.67 × 584,286.50 - Step 4: Simplify right side
915,287.58x = 738,092,135,744.05 - Step 5: Solve for x
x = 738,092,135,744.05/915,287.58 - Step 6: Final answer
x = 806,404.62
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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.