Finding the Fourth Proportional to 882,011.99, 1,321,353.16 and 521,105.96
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Solution
The fourth proportional to 882,011.99, 1,321,353.16 and 521,105.96 is: 780,675.34
Step by Step Solution
- Step 1: Write the proportion equation
882,011.99 : 1,321,353.16 = 521,105.96 : x - Step 2: Convert to fraction form
882,011.99/1,321,353.16 = 521,105.96/x - Step 3: Cross multiply
882,011.99x = 1,321,353.16 × 521,105.96 - Step 4: Simplify right side
882,011.99x = 688,565,006,940.83 - Step 5: Solve for x
x = 688,565,006,940.83/882,011.99 - Step 6: Final answer
x = 780,675.34
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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.