Finding the Fourth Proportional to 486,881.08, 729,718.74 and 275,879.32
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Solution
The fourth proportional to 486,881.08, 729,718.74 and 275,879.32 is: 413,477.37
Step by Step Solution
- Step 1: Write the proportion equation
486,881.08 : 729,718.74 = 275,879.32 : x - Step 2: Convert to fraction form
486,881.08/729,718.74 = 275,879.32/x - Step 3: Cross multiply
486,881.08x = 729,718.74 × 275,879.32 - Step 4: Simplify right side
486,881.08x = 201,314,309,782.46 - Step 5: Solve for x
x = 201,314,309,782.46/486,881.08 - Step 6: Final answer
x = 413,477.37
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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.