Finding the Fourth Proportional to 490,618.68, 676,993.14 and 283,922.52
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Solution
The fourth proportional to 490,618.68, 676,993.14 and 283,922.52 is: 391,777.99
Step by Step Solution
- Step 1: Write the proportion equation
490,618.68 : 676,993.14 = 283,922.52 : x - Step 2: Convert to fraction form
490,618.68/676,993.14 = 283,922.52/x - Step 3: Cross multiply
490,618.68x = 676,993.14 × 283,922.52 - Step 4: Simplify right side
490,618.68x = 192,213,598,331.51 - Step 5: Solve for x
x = 192,213,598,331.51/490,618.68 - Step 6: Final answer
x = 391,777.99
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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.