Finding the Fourth Proportional to 929,519.39, 1,393,983.84 and 298,285.58
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Solution
The fourth proportional to 929,519.39, 1,393,983.84 and 298,285.58 is: 447,333.62
Step by Step Solution
- Step 1: Write the proportion equation
929,519.39 : 1,393,983.84 = 298,285.58 : x - Step 2: Convert to fraction form
929,519.39/1,393,983.84 = 298,285.58/x - Step 3: Cross multiply
929,519.39x = 1,393,983.84 × 298,285.58 - Step 4: Simplify right side
929,519.39x = 415,805,269,763.68 - Step 5: Solve for x
x = 415,805,269,763.68/929,519.39 - Step 6: Final answer
x = 447,333.62
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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.