Finding the Fourth Proportional to 880,342.84, 1,214,879.34 and 477,934.84
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Solution
The fourth proportional to 880,342.84, 1,214,879.34 and 477,934.84 is: 659,553.46
Step by Step Solution
- Step 1: Write the proportion equation
880,342.84 : 1,214,879.34 = 477,934.84 : x - Step 2: Convert to fraction form
880,342.84/1,214,879.34 = 477,934.84/x - Step 3: Cross multiply
880,342.84x = 1,214,879.34 × 477,934.84 - Step 4: Simplify right side
880,342.84x = 580,633,162,982.21 - Step 5: Solve for x
x = 580,633,162,982.21/880,342.84 - Step 6: Final answer
x = 659,553.46
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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.