Finding the Fourth Proportional to 986,596.75, 1,361,504.73 and 533,887.75
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Solution
The fourth proportional to 986,596.75, 1,361,504.73 and 533,887.75 is: 736,765.75
Step by Step Solution
- Step 1: Write the proportion equation
986,596.75 : 1,361,504.73 = 533,887.75 : x - Step 2: Convert to fraction form
986,596.75/1,361,504.73 = 533,887.75/x - Step 3: Cross multiply
986,596.75x = 1,361,504.73 × 533,887.75 - Step 4: Simplify right side
986,596.75x = 726,890,696,914.06 - Step 5: Solve for x
x = 726,890,696,914.06/986,596.75 - Step 6: Final answer
x = 736,765.75
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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.