Finding the Fourth Proportional to 552,419.93, 762,331.98 and 310,702.41
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Solution
The fourth proportional to 552,419.93, 762,331.98 and 310,702.41 is: 428,765.09
Step by Step Solution
- Step 1: Write the proportion equation
552,419.93 : 762,331.98 = 310,702.41 : x - Step 2: Convert to fraction form
552,419.93/762,331.98 = 310,702.41/x - Step 3: Cross multiply
552,419.93x = 762,331.98 × 310,702.41 - Step 4: Simplify right side
552,419.93x = 236,858,383,406.07 - Step 5: Solve for x
x = 236,858,383,406.07/552,419.93 - Step 6: Final answer
x = 428,765.09
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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.