Finding the Fourth Proportional to 787,368.99, 1,086,603.66 and 443,227.17
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Solution
The fourth proportional to 787,368.99, 1,086,603.66 and 443,227.17 is: 611,672.89
Step by Step Solution
- Step 1: Write the proportion equation
787,368.99 : 1,086,603.66 = 443,227.17 : x - Step 2: Convert to fraction form
787,368.99/1,086,603.66 = 443,227.17/x - Step 3: Cross multiply
787,368.99x = 1,086,603.66 × 443,227.17 - Step 4: Simplify right side
787,368.99x = 481,612,265,133.44 - Step 5: Solve for x
x = 481,612,265,133.44/787,368.99 - Step 6: Final answer
x = 611,672.89
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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.