Finding the Fourth Proportional to 560,949.14, 774,110.79 and 306,294.90
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Solution
The fourth proportional to 560,949.14, 774,110.79 and 306,294.90 is: 422,687.50
Step by Step Solution
- Step 1: Write the proportion equation
560,949.14 : 774,110.79 = 306,294.90 : x - Step 2: Convert to fraction form
560,949.14/774,110.79 = 306,294.90/x - Step 3: Cross multiply
560,949.14x = 774,110.79 × 306,294.90 - Step 4: Simplify right side
560,949.14x = 237,106,187,011.97 - Step 5: Solve for x
x = 237,106,187,011.97/560,949.14 - Step 6: Final answer
x = 422,687.50
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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.