Finding the Fourth Proportional to 511,757.16, 705,996.61 and 296,772.73
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Solution
The fourth proportional to 511,757.16, 705,996.61 and 296,772.73 is: 409,413.99
Step by Step Solution
- Step 1: Write the proportion equation
511,757.16 : 705,996.61 = 296,772.73 : x - Step 2: Convert to fraction form
511,757.16/705,996.61 = 296,772.73/x - Step 3: Cross multiply
511,757.16x = 705,996.61 × 296,772.73 - Step 4: Simplify right side
511,757.16x = 209,520,538,813.52 - Step 5: Solve for x
x = 209,520,538,813.52/511,757.16 - Step 6: Final answer
x = 409,413.99
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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.