Finding the Fourth Proportional to 882,009.99, 1,321,350.17 and 521,103.96
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Solution
The fourth proportional to 882,009.99, 1,321,350.17 and 521,103.96 is: 780,672.34
Step by Step Solution
- Step 1: Write the proportion equation
882,009.99 : 1,321,350.17 = 521,103.96 : x - Step 2: Convert to fraction form
882,009.99/1,321,350.17 = 521,103.96/x - Step 3: Cross multiply
882,009.99x = 1,321,350.17 × 521,103.96 - Step 4: Simplify right side
882,009.99x = 688,560,803,528.15 - Step 5: Solve for x
x = 688,560,803,528.15/882,009.99 - Step 6: Final answer
x = 780,672.34
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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.