Finding the Fourth Proportional to 826,769.09, 1,239,833.76 and 321,263.52
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Solution
The fourth proportional to 826,769.09, 1,239,833.76 and 321,263.52 is: 481,770.99
Step by Step Solution
- Step 1: Write the proportion equation
826,769.09 : 1,239,833.76 = 321,263.52 : x - Step 2: Convert to fraction form
826,769.09/1,239,833.76 = 321,263.52/x - Step 3: Cross multiply
826,769.09x = 1,239,833.76 × 321,263.52 - Step 4: Simplify right side
826,769.09x = 398,313,357,952.44 - Step 5: Solve for x
x = 398,313,357,952.44/826,769.09 - Step 6: Final answer
x = 481,770.99
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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.