Finding the Fourth Proportional to 738,651.11, 1,019,309.00 and 416,428.14
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Solution
The fourth proportional to 738,651.11, 1,019,309.00 and 416,428.14 is: 574,654.19
Step by Step Solution
- Step 1: Write the proportion equation
738,651.11 : 1,019,309.00 = 416,428.14 : x - Step 2: Convert to fraction form
738,651.11/1,019,309.00 = 416,428.14/x - Step 3: Cross multiply
738,651.11x = 1,019,309.00 × 416,428.14 - Step 4: Simplify right side
738,651.11x = 424,468,948,873.12 - Step 5: Solve for x
x = 424,468,948,873.12/738,651.11 - Step 6: Final answer
x = 574,654.19
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1.5x scale
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.