Finding the Fourth Proportional to 665,745.48, 918,899.64 and 410,950.26
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Solution
The fourth proportional to 665,745.48, 918,899.64 and 410,950.26 is: 567,216.84
Step by Step Solution
- Step 1: Write the proportion equation
665,745.48 : 918,899.64 = 410,950.26 : x - Step 2: Convert to fraction form
665,745.48/918,899.64 = 410,950.26/x - Step 3: Cross multiply
665,745.48x = 918,899.64 × 410,950.26 - Step 4: Simplify right side
665,745.48x = 377,622,045,971.91 - Step 5: Solve for x
x = 377,622,045,971.91/665,745.48 - Step 6: Final answer
x = 567,216.84
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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.