Finding the Fourth Proportional to 622,561.89, 932,345.82 and 355,512.99
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Solution
The fourth proportional to 622,561.89, 932,345.82 and 355,512.99 is: 532,414.62
Step by Step Solution
- Step 1: Write the proportion equation
622,561.89 : 932,345.82 = 355,512.99 : x - Step 2: Convert to fraction form
622,561.89/932,345.82 = 355,512.99/x - Step 3: Cross multiply
622,561.89x = 932,345.82 × 355,512.99 - Step 4: Simplify right side
622,561.89x = 331,461,050,182.20 - Step 5: Solve for x
x = 331,461,050,182.20/622,561.89 - Step 6: Final answer
x = 532,414.62
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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.