Finding the Fourth Proportional to 884,890.24, 1,324,285.12 and 543,106.56
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Solution
The fourth proportional to 884,890.24, 1,324,285.12 and 543,106.56 is: 812,787.74
Step by Step Solution
- Step 1: Write the proportion equation
884,890.24 : 1,324,285.12 = 543,106.56 : x - Step 2: Convert to fraction form
884,890.24/1,324,285.12 = 543,106.56/x - Step 3: Cross multiply
884,890.24x = 1,324,285.12 × 543,106.56 - Step 4: Simplify right side
884,890.24x = 719,227,935,982.39 - Step 5: Solve for x
x = 719,227,935,982.39/884,890.24 - Step 6: Final answer
x = 812,787.74
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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.