Finding the Fourth Proportional to 684,651.24, 1,027,220.18 and 305,537.48
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Solution
The fourth proportional to 684,651.24, 1,027,220.18 and 305,537.48 is: 458,414.81
Step by Step Solution
- Step 1: Write the proportion equation
684,651.24 : 1,027,220.18 = 305,537.48 : x - Step 2: Convert to fraction form
684,651.24/1,027,220.18 = 305,537.48/x - Step 3: Cross multiply
684,651.24x = 1,027,220.18 × 305,537.48 - Step 4: Simplify right side
684,651.24x = 313,854,265,202.35 - Step 5: Solve for x
x = 313,854,265,202.35/684,651.24 - Step 6: Final answer
x = 458,414.81
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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.