Finding the Fourth Proportional to 532,913.97, 797,938.50 and 405,949.38
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Solution
The fourth proportional to 532,913.97, 797,938.50 and 405,949.38 is: 607,832.89
Step by Step Solution
- Step 1: Write the proportion equation
532,913.97 : 797,938.50 = 405,949.38 : x - Step 2: Convert to fraction form
532,913.97/797,938.50 = 405,949.38/x - Step 3: Cross multiply
532,913.97x = 797,938.50 × 405,949.38 - Step 4: Simplify right side
532,913.97x = 323,922,639,353.13 - Step 5: Solve for x
x = 323,922,639,353.13/532,913.97 - Step 6: Final answer
x = 607,832.89
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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.