Finding the Fourth Proportional to 907,761.26, 1,252,719.68 and 499,901.02
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Solution
The fourth proportional to 907,761.26, 1,252,719.68 and 499,901.02 is: 689,868.43
Step by Step Solution
- Step 1: Write the proportion equation
907,761.26 : 1,252,719.68 = 499,901.02 : x - Step 2: Convert to fraction form
907,761.26/1,252,719.68 = 499,901.02/x - Step 3: Cross multiply
907,761.26x = 1,252,719.68 × 499,901.02 - Step 4: Simplify right side
907,761.26x = 626,235,840,174.77 - Step 5: Solve for x
x = 626,235,840,174.77/907,761.26 - Step 6: Final answer
x = 689,868.43
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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.