Finding the Fourth Proportional to 490,610.68, 676,982.10 and 283,914.52
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Solution
The fourth proportional to 490,610.68, 676,982.10 and 283,914.52 is: 391,766.95
Step by Step Solution
- Step 1: Write the proportion equation
490,610.68 : 676,982.10 = 283,914.52 : x - Step 2: Convert to fraction form
490,610.68/676,982.10 = 283,914.52/x - Step 3: Cross multiply
490,610.68x = 676,982.10 × 283,914.52 - Step 4: Simplify right side
490,610.68x = 192,205,047,970.09 - Step 5: Solve for x
x = 192,205,047,970.09/490,610.68 - Step 6: Final answer
x = 391,766.95
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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.