Finding the Fourth Proportional to 775,676.73, 1,069,996.52 and 465,499.99
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Solution
The fourth proportional to 775,676.73, 1,069,996.52 and 465,499.99 is: 642,127.51
Step by Step Solution
- Step 1: Write the proportion equation
775,676.73 : 1,069,996.52 = 465,499.99 : x - Step 2: Convert to fraction form
775,676.73/1,069,996.52 = 465,499.99/x - Step 3: Cross multiply
775,676.73x = 1,069,996.52 × 465,499.99 - Step 4: Simplify right side
775,676.73x = 498,083,369,360.04 - Step 5: Solve for x
x = 498,083,369,360.04/775,676.73 - Step 6: Final answer
x = 642,127.51
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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.