Finding the Fourth Proportional to 758,138.64, 1,137,756.68 and 296,584.70
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Solution
The fourth proportional to 758,138.64, 1,137,756.68 and 296,584.70 is: 445,091.70
Step by Step Solution
- Step 1: Write the proportion equation
758,138.64 : 1,137,756.68 = 296,584.70 : x - Step 2: Convert to fraction form
758,138.64/1,137,756.68 = 296,584.70/x - Step 3: Cross multiply
758,138.64x = 1,137,756.68 × 296,584.70 - Step 4: Simplify right side
758,138.64x = 337,441,216,439.09 - Step 5: Solve for x
x = 337,441,216,439.09/758,138.64 - Step 6: Final answer
x = 445,091.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.