Finding the Fourth Proportional to 837,440.96, 1,256,678.12 and 388,078.07
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Solution
The fourth proportional to 837,440.96, 1,256,678.12 and 388,078.07 is: 582,356.54
Step by Step Solution
- Step 1: Write the proportion equation
837,440.96 : 1,256,678.12 = 388,078.07 : x - Step 2: Convert to fraction form
837,440.96/1,256,678.12 = 388,078.07/x - Step 3: Cross multiply
837,440.96x = 1,256,678.12 × 388,078.07 - Step 4: Simplify right side
837,440.96x = 487,689,214,107.63 - Step 5: Solve for x
x = 487,689,214,107.63/837,440.96 - Step 6: Final answer
x = 582,356.54
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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.