Finding the Fourth Proportional to 591,279.75, 815,969.70 and 323,007.75
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Solution
The fourth proportional to 591,279.75, 815,969.70 and 323,007.75 is: 445,752.69
Step by Step Solution
- Step 1: Write the proportion equation
591,279.75 : 815,969.70 = 323,007.75 : x - Step 2: Convert to fraction form
591,279.75/815,969.70 = 323,007.75/x - Step 3: Cross multiply
591,279.75x = 815,969.70 × 323,007.75 - Step 4: Simplify right side
591,279.75x = 263,564,536,865.18 - Step 5: Solve for x
x = 263,564,536,865.18/591,279.75 - Step 6: Final answer
x = 445,752.69
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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.