Finding the Fourth Proportional to 837,680.66, 1,247,046.63 and 832,698.44
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Solution
The fourth proportional to 837,680.66, 1,247,046.63 and 832,698.44 is: 1,239,629.65
Step by Step Solution
- Step 1: Write the proportion equation
837,680.66 : 1,247,046.63 = 832,698.44 : x - Step 2: Convert to fraction form
837,680.66/1,247,046.63 = 832,698.44/x - Step 3: Cross multiply
837,680.66x = 1,247,046.63 × 832,698.44 - Step 4: Simplify right side
837,680.66x = 1,038,413,783,408.26 - Step 5: Solve for x
x = 1,038,413,783,408.26/837,680.66 - Step 6: Final answer
x = 1,239,629.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.