Finding the Fourth Proportional to 442,710.96, 664,518.42 and 324,029.76
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Solution
The fourth proportional to 442,710.96, 664,518.42 and 324,029.76 is: 486,375.45
Step by Step Solution
- Step 1: Write the proportion equation
442,710.96 : 664,518.42 = 324,029.76 : x - Step 2: Convert to fraction form
442,710.96/664,518.42 = 324,029.76/x - Step 3: Cross multiply
442,710.96x = 664,518.42 × 324,029.76 - Step 4: Simplify right side
442,710.96x = 215,323,744,148.18 - Step 5: Solve for x
x = 215,323,744,148.18/442,710.96 - Step 6: Final answer
x = 486,375.45
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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.