Finding the Fourth Proportional to 684,459.37, 944,589.36 and 394,114.06
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Solution
The fourth proportional to 684,459.37, 944,589.36 and 394,114.06 is: 543,897.80
Step by Step Solution
- Step 1: Write the proportion equation
684,459.37 : 944,589.36 = 394,114.06 : x - Step 2: Convert to fraction form
684,459.37/944,589.36 = 394,114.06/x - Step 3: Cross multiply
684,459.37x = 944,589.36 × 394,114.06 - Step 4: Simplify right side
684,459.37x = 372,275,947,702.40 - Step 5: Solve for x
x = 372,275,947,702.40/684,459.37 - Step 6: Final answer
x = 543,897.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.