Finding the Fourth Proportional to 726,212.99, 1,087,215.90 and 547,052.96
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Solution
The fourth proportional to 726,212.99, 1,087,215.90 and 547,052.96 is: 818,994.81
Step by Step Solution
- Step 1: Write the proportion equation
726,212.99 : 1,087,215.90 = 547,052.96 : x - Step 2: Convert to fraction form
726,212.99/1,087,215.90 = 547,052.96/x - Step 3: Cross multiply
726,212.99x = 1,087,215.90 × 547,052.96 - Step 4: Simplify right side
726,212.99x = 594,764,673,882.24 - Step 5: Solve for x
x = 594,764,673,882.24/726,212.99 - Step 6: Final answer
x = 818,994.81
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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.