Finding the Fourth Proportional to 717,816.96, 1,076,912.34 and 268,572.96
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Solution
The fourth proportional to 717,816.96, 1,076,912.34 and 268,572.96 is: 402,929.37
Step by Step Solution
- Step 1: Write the proportion equation
717,816.96 : 1,076,912.34 = 268,572.96 : x - Step 2: Convert to fraction form
717,816.96/1,076,912.34 = 268,572.96/x - Step 3: Cross multiply
717,816.96x = 1,076,912.34 × 268,572.96 - Step 4: Simplify right side
717,816.96x = 289,229,534,814.33 - Step 5: Solve for x
x = 289,229,534,814.33/717,816.96 - Step 6: Final answer
x = 402,929.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.