Finding the Fourth Proportional to 968,934.98, 1,335,744.50 and 681,563.18
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Solution
The fourth proportional to 968,934.98, 1,335,744.50 and 681,563.18 is: 939,582.42
Step by Step Solution
- Step 1: Write the proportion equation
968,934.98 : 1,335,744.50 = 681,563.18 : x - Step 2: Convert to fraction form
968,934.98/1,335,744.50 = 681,563.18/x - Step 3: Cross multiply
968,934.98x = 1,335,744.50 × 681,563.18 - Step 4: Simplify right side
968,934.98x = 910,394,269,087.51 - Step 5: Solve for x
x = 910,394,269,087.51/968,934.98 - Step 6: Final answer
x = 939,582.42
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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.