Finding the Fourth Proportional to 644,580.67, 889,469.26 and 372,666.08
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Solution
The fourth proportional to 644,580.67, 889,469.26 and 372,666.08 is: 514,249.09
Step by Step Solution
- Step 1: Write the proportion equation
644,580.67 : 889,469.26 = 372,666.08 : x - Step 2: Convert to fraction form
644,580.67/889,469.26 = 372,666.08/x - Step 3: Cross multiply
644,580.67x = 889,469.26 × 372,666.08 - Step 4: Simplify right side
644,580.67x = 331,475,022,243.20 - Step 5: Solve for x
x = 331,475,022,243.20/644,580.67 - Step 6: Final answer
x = 514,249.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.