Finding the Fourth Proportional to 750,830.38, 1,036,146.11 and 411,310.70
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Solution
The fourth proportional to 750,830.38, 1,036,146.11 and 411,310.70 is: 567,608.87
Step by Step Solution
- Step 1: Write the proportion equation
750,830.38 : 1,036,146.11 = 411,310.70 : x - Step 2: Convert to fraction form
750,830.38/1,036,146.11 = 411,310.70/x - Step 3: Cross multiply
750,830.38x = 1,036,146.11 × 411,310.70 - Step 4: Simplify right side
750,830.38x = 426,177,981,806.38 - Step 5: Solve for x
x = 426,177,981,806.38/750,830.38 - Step 6: Final answer
x = 567,608.87
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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.