Finding the Fourth Proportional to 821,882.88, 1,134,216.96 and 482,595.84
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Solution
The fourth proportional to 821,882.88, 1,134,216.96 and 482,595.84 is: 665,993.17
Step by Step Solution
- Step 1: Write the proportion equation
821,882.88 : 1,134,216.96 = 482,595.84 : x - Step 2: Convert to fraction form
821,882.88/1,134,216.96 = 482,595.84/x - Step 3: Cross multiply
821,882.88x = 1,134,216.96 × 482,595.84 - Step 4: Simplify right side
821,882.88x = 547,368,386,553.45 - Step 5: Solve for x
x = 547,368,386,553.45/821,882.88 - Step 6: Final answer
x = 665,993.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.