Finding the Fourth Proportional to 804,644.70, 1,207,744.65 and 489,716.70
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Solution
The fourth proportional to 804,644.70, 1,207,744.65 and 489,716.70 is: 735,048.31
Step by Step Solution
- Step 1: Write the proportion equation
804,644.70 : 1,207,744.65 = 489,716.70 : x - Step 2: Convert to fraction form
804,644.70/1,207,744.65 = 489,716.70/x - Step 3: Cross multiply
804,644.70x = 1,207,744.65 × 489,716.70 - Step 4: Simplify right side
804,644.70x = 591,452,724,440.66 - Step 5: Solve for x
x = 591,452,724,440.66/804,644.70 - Step 6: Final answer
x = 735,048.31
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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.