Finding the Fourth Proportional to 509,628.24, 762,778.94 and 374,656.58
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Solution
The fourth proportional to 509,628.24, 762,778.94 and 374,656.58 is: 560,761.98
Step by Step Solution
- Step 1: Write the proportion equation
509,628.24 : 762,778.94 = 374,656.58 : x - Step 2: Convert to fraction form
509,628.24/762,778.94 = 374,656.58/x - Step 3: Cross multiply
509,628.24x = 762,778.94 × 374,656.58 - Step 4: Simplify right side
509,628.24x = 285,780,143,269.25 - Step 5: Solve for x
x = 285,780,143,269.25/509,628.24 - Step 6: Final answer
x = 560,761.98
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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.