Finding the Fourth Proportional to 923,739.74, 1,274,687.38 and 515,817.24
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Solution
The fourth proportional to 923,739.74, 1,274,687.38 and 515,817.24 is: 711,786.77
Step by Step Solution
- Step 1: Write the proportion equation
923,739.74 : 1,274,687.38 = 515,817.24 : x - Step 2: Convert to fraction form
923,739.74/1,274,687.38 = 515,817.24/x - Step 3: Cross multiply
923,739.74x = 1,274,687.38 × 515,817.24 - Step 4: Simplify right side
923,739.74x = 657,505,725,664.18 - Step 5: Solve for x
x = 657,505,725,664.18/923,739.74 - Step 6: Final answer
x = 711,786.77
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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.