Finding the Fourth Proportional to 991,360.98, 1,368,086.49 and 538,651.98
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Solution
The fourth proportional to 991,360.98, 1,368,086.49 and 538,651.98 is: 743,344.26
Step by Step Solution
- Step 1: Write the proportion equation
991,360.98 : 1,368,086.49 = 538,651.98 : x - Step 2: Convert to fraction form
991,360.98/1,368,086.49 = 538,651.98/x - Step 3: Cross multiply
991,360.98x = 1,368,086.49 × 538,651.98 - Step 4: Simplify right side
991,360.98x = 736,922,496,649.75 - Step 5: Solve for x
x = 736,922,496,649.75/991,360.98 - Step 6: Final answer
x = 743,344.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.