Finding the Fourth Proportional to 527,243.22, 727,596.36 and 285,526.17
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Solution
The fourth proportional to 527,243.22, 727,596.36 and 285,526.17 is: 394,026.50
Step by Step Solution
- Step 1: Write the proportion equation
527,243.22 : 727,596.36 = 285,526.17 : x - Step 2: Convert to fraction form
527,243.22/727,596.36 = 285,526.17/x - Step 3: Cross multiply
527,243.22x = 727,596.36 × 285,526.17 - Step 4: Simplify right side
527,243.22x = 207,747,801,976.74 - Step 5: Solve for x
x = 207,747,801,976.74/527,243.22 - Step 6: Final answer
x = 394,026.50
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1.5x scale
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.