Finding the Fourth Proportional to 935,343.14, 1,289,912.73 and 612,936.14
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Solution
The fourth proportional to 935,343.14, 1,289,912.73 and 612,936.14 is: 845,287.78
Step by Step Solution
- Step 1: Write the proportion equation
935,343.14 : 1,289,912.73 = 612,936.14 : x - Step 2: Convert to fraction form
935,343.14/1,289,912.73 = 612,936.14/x - Step 3: Cross multiply
935,343.14x = 1,289,912.73 × 612,936.14 - Step 4: Simplify right side
935,343.14x = 790,634,129,663.06 - Step 5: Solve for x
x = 790,634,129,663.06/935,343.14 - Step 6: Final answer
x = 845,287.78
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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.