Finding the Fourth Proportional to 731,986.36, 1,097,227.86 and 415,768.12
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Solution
The fourth proportional to 731,986.36, 1,097,227.86 and 415,768.12 is: 623,225.23
Step by Step Solution
- Step 1: Write the proportion equation
731,986.36 : 1,097,227.86 = 415,768.12 : x - Step 2: Convert to fraction form
731,986.36/1,097,227.86 = 415,768.12/x - Step 3: Cross multiply
731,986.36x = 1,097,227.86 × 415,768.12 - Step 4: Simplify right side
731,986.36x = 456,192,364,563.82 - Step 5: Solve for x
x = 456,192,364,563.82/731,986.36 - Step 6: Final answer
x = 623,225.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.