Finding the Fourth Proportional to 985,277.99, 1,359,717.17 and 571,782.75
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Solution
The fourth proportional to 985,277.99, 1,359,717.17 and 571,782.75 is: 789,079.67
Step by Step Solution
- Step 1: Write the proportion equation
985,277.99 : 1,359,717.17 = 571,782.75 : x - Step 2: Convert to fraction form
985,277.99/1,359,717.17 = 571,782.75/x - Step 3: Cross multiply
985,277.99x = 1,359,717.17 × 571,782.75 - Step 4: Simplify right side
985,277.99x = 777,462,822,684.82 - Step 5: Solve for x
x = 777,462,822,684.82/985,277.99 - Step 6: Final answer
x = 789,079.67
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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.