Finding the Fourth Proportional to 716,068.92, 1,074,103.32 and 340,954.68
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Solution
The fourth proportional to 716,068.92, 1,074,103.32 and 340,954.68 is: 511,431.99
Step by Step Solution
- Step 1: Write the proportion equation
716,068.92 : 1,074,103.32 = 340,954.68 : x - Step 2: Convert to fraction form
716,068.92/1,074,103.32 = 340,954.68/x - Step 3: Cross multiply
716,068.92x = 1,074,103.32 × 340,954.68 - Step 4: Simplify right side
716,068.92x = 366,220,553,757.54 - Step 5: Solve for x
x = 366,220,553,757.54/716,068.92 - Step 6: Final answer
x = 511,431.99
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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.