Finding the Fourth Proportional to 557,894.70, 770,092.11 and 331,537.50
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Solution
The fourth proportional to 557,894.70, 770,092.11 and 331,537.50 is: 457,639.07
Step by Step Solution
- Step 1: Write the proportion equation
557,894.70 : 770,092.11 = 331,537.50 : x - Step 2: Convert to fraction form
557,894.70/770,092.11 = 331,537.50/x - Step 3: Cross multiply
557,894.70x = 770,092.11 × 331,537.50 - Step 4: Simplify right side
557,894.70x = 255,314,412,919.13 - Step 5: Solve for x
x = 255,314,412,919.13/557,894.70 - Step 6: Final answer
x = 457,639.07
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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.