Finding the Fourth Proportional to 527,237.64, 727,584.28 and 285,514.68
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Solution
The fourth proportional to 527,237.64, 727,584.28 and 285,514.68 is: 394,008.27
Step by Step Solution
- Step 1: Write the proportion equation
527,237.64 : 727,584.28 = 285,514.68 : x - Step 2: Convert to fraction form
527,237.64/727,584.28 = 285,514.68/x - Step 3: Cross multiply
527,237.64x = 727,584.28 × 285,514.68 - Step 4: Simplify right side
527,237.64x = 207,735,992,877.23 - Step 5: Solve for x
x = 207,735,992,877.23/527,237.64 - Step 6: Final answer
x = 394,008.27
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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.