Finding the Fourth Proportional to 858,708.18, 1,288,546.16 and 790,949.45
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Solution
The fourth proportional to 858,708.18, 1,288,546.16 and 790,949.45 is: 1,186,869.88
Step by Step Solution
- Step 1: Write the proportion equation
858,708.18 : 1,288,546.16 = 790,949.45 : x - Step 2: Convert to fraction form
858,708.18/1,288,546.16 = 790,949.45/x - Step 3: Cross multiply
858,708.18x = 1,288,546.16 × 790,949.45 - Step 4: Simplify right side
858,708.18x = 1,019,174,875,818.23 - Step 5: Solve for x
x = 1,019,174,875,818.23/858,708.18 - Step 6: Final answer
x = 1,186,869.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.