Finding the Fourth Proportional to 907,286.19, 1,252,045.02 and 499,379.28
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Solution
The fourth proportional to 907,286.19, 1,252,045.02 and 499,379.28 is: 689,137.95
Step by Step Solution
- Step 1: Write the proportion equation
907,286.19 : 1,252,045.02 = 499,379.28 : x - Step 2: Convert to fraction form
907,286.19/1,252,045.02 = 499,379.28/x - Step 3: Cross multiply
907,286.19x = 1,252,045.02 × 499,379.28 - Step 4: Simplify right side
907,286.19x = 625,245,340,615.19 - Step 5: Solve for x
x = 625,245,340,615.19/907,286.19 - Step 6: Final answer
x = 689,137.95
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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.