Finding the Fourth Proportional to 679,717.02, 937,989.65 and 373,793.09
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Solution
The fourth proportional to 679,717.02, 937,989.65 and 373,793.09 is: 515,823.56
Step by Step Solution
- Step 1: Write the proportion equation
679,717.02 : 937,989.65 = 373,793.09 : x - Step 2: Convert to fraction form
679,717.02/937,989.65 = 373,793.09/x - Step 3: Cross multiply
679,717.02x = 937,989.65 × 373,793.09 - Step 4: Simplify right side
679,717.02x = 350,614,052,940.98 - Step 5: Solve for x
x = 350,614,052,940.98/679,717.02 - Step 6: Final answer
x = 515,823.56
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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.