Finding the Fourth Proportional to 936,702.21, 1,292,680.37 and 574,056
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Solution
The fourth proportional to 936,702.21, 1,292,680.37 and 574,056 is: 792,216.47
Step by Step Solution
- Step 1: Write the proportion equation
936,702.21 : 1,292,680.37 = 574,056 : x - Step 2: Convert to fraction form
936,702.21/1,292,680.37 = 574,056/x - Step 3: Cross multiply
936,702.21x = 1,292,680.37 × 574,056 - Step 4: Simplify right side
936,702.21x = 742,070,922,480.72 - Step 5: Solve for x
x = 742,070,922,480.72/936,702.21 - Step 6: Final answer
x = 792,216.47
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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.