Finding the Fourth Proportional to 838,218.57, 1,257,515.37 and 305,739.62
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Solution
The fourth proportional to 838,218.57, 1,257,515.37 and 305,739.62 is: 458,677.83
Step by Step Solution
- Step 1: Write the proportion equation
838,218.57 : 1,257,515.37 = 305,739.62 : x - Step 2: Convert to fraction form
838,218.57/1,257,515.37 = 305,739.62/x - Step 3: Cross multiply
838,218.57x = 1,257,515.37 × 305,739.62 - Step 4: Simplify right side
838,218.57x = 384,472,269,839.26 - Step 5: Solve for x
x = 384,472,269,839.26/838,218.57 - Step 6: Final answer
x = 458,677.83
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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.