Finding the Fourth Proportional to 641,364.24, 885,076.95 and 383,227.17
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Solution
The fourth proportional to 641,364.24, 885,076.95 and 383,227.17 is: 528,850.09
Step by Step Solution
- Step 1: Write the proportion equation
641,364.24 : 885,076.95 = 383,227.17 : x - Step 2: Convert to fraction form
641,364.24/885,076.95 = 383,227.17/x - Step 3: Cross multiply
641,364.24x = 885,076.95 × 383,227.17 - Step 4: Simplify right side
641,364.24x = 339,185,534,780.73 - Step 5: Solve for x
x = 339,185,534,780.73/641,364.24 - Step 6: Final answer
x = 528,850.09
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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.