Finding the Fourth Proportional to 907,325.82, 1,252,114.14 and 499,468.68
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Solution
The fourth proportional to 907,325.82, 1,252,114.14 and 499,468.68 is: 689,269.26
Step by Step Solution
- Step 1: Write the proportion equation
907,325.82 : 1,252,114.14 = 499,468.68 : x - Step 2: Convert to fraction form
907,325.82/1,252,114.14 = 499,468.68/x - Step 3: Cross multiply
907,325.82x = 1,252,114.14 × 499,468.68 - Step 4: Simplify right side
907,325.82x = 625,391,796,715.14 - Step 5: Solve for x
x = 625,391,796,715.14/907,325.82 - Step 6: Final answer
x = 689,269.26
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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.