Finding the Fourth Proportional to 527,092.33, 727,378.60 and 285,372.94
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Solution
The fourth proportional to 527,092.33, 727,378.60 and 285,372.94 is: 393,809.88
Step by Step Solution
- Step 1: Write the proportion equation
527,092.33 : 727,378.60 = 285,372.94 : x - Step 2: Convert to fraction form
527,092.33/727,378.60 = 285,372.94/x - Step 3: Cross multiply
527,092.33x = 727,378.60 × 285,372.94 - Step 4: Simplify right side
527,092.33x = 207,574,168,148.22 - Step 5: Solve for x
x = 207,574,168,148.22/527,092.33 - Step 6: Final answer
x = 393,809.88
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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.