Finding the Fourth Proportional to 564,275.63, 845,915.22 and 431,747.53
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Solution
The fourth proportional to 564,275.63, 845,915.22 and 431,747.53 is: 647,240.09
Step by Step Solution
- Step 1: Write the proportion equation
564,275.63 : 845,915.22 = 431,747.53 : x - Step 2: Convert to fraction form
564,275.63/845,915.22 = 431,747.53/x - Step 3: Cross multiply
564,275.63x = 845,915.22 × 431,747.53 - Step 4: Simplify right side
564,275.63x = 365,221,809,755.23 - Step 5: Solve for x
x = 365,221,809,755.23/564,275.63 - Step 6: Final answer
x = 647,240.09
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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.