Finding the Fourth Proportional to 574,900.77, 862,939.62 and 474,741.84
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Solution
The fourth proportional to 574,900.77, 862,939.62 and 474,741.84 is: 712,598.70
Step by Step Solution
- Step 1: Write the proportion equation
574,900.77 : 862,939.62 = 474,741.84 : x - Step 2: Convert to fraction form
574,900.77/862,939.62 = 474,741.84/x - Step 3: Cross multiply
574,900.77x = 862,939.62 × 474,741.84 - Step 4: Simplify right side
574,900.77x = 409,673,543,007.70 - Step 5: Solve for x
x = 409,673,543,007.70/574,900.77 - Step 6: Final answer
x = 712,598.70
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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.