Finding the Fourth Proportional to 858,275.20, 1,288,260.26 and 644,299.12
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Solution
The fourth proportional to 858,275.20, 1,288,260.26 and 644,299.12 is: 967,084.86
Step by Step Solution
- Step 1: Write the proportion equation
858,275.20 : 1,288,260.26 = 644,299.12 : x - Step 2: Convert to fraction form
858,275.20/1,288,260.26 = 644,299.12/x - Step 3: Cross multiply
858,275.20x = 1,288,260.26 × 644,299.12 - Step 4: Simplify right side
858,275.20x = 830,024,951,848.97 - Step 5: Solve for x
x = 830,024,951,848.97/858,275.20 - Step 6: Final answer
x = 967,084.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.