Finding the Fourth Proportional to 777,107.79, 1,071,998.28 and 534,969.99
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Solution
The fourth proportional to 777,107.79, 1,071,998.28 and 534,969.99 is: 737,976.01
Step by Step Solution
- Step 1: Write the proportion equation
777,107.79 : 1,071,998.28 = 534,969.99 : x - Step 2: Convert to fraction form
777,107.79/1,071,998.28 = 534,969.99/x - Step 3: Cross multiply
777,107.79x = 1,071,998.28 × 534,969.99 - Step 4: Simplify right side
777,107.79x = 573,486,909,131.62 - Step 5: Solve for x
x = 573,486,909,131.62/777,107.79 - Step 6: Final answer
x = 737,976.01
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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.