Finding the Fourth Proportional to 552,529.08, 762,557.64 and 310,821.84
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Solution
The fourth proportional to 552,529.08, 762,557.64 and 310,821.84 is: 428,972.12
Step by Step Solution
- Step 1: Write the proportion equation
552,529.08 : 762,557.64 = 310,821.84 : x - Step 2: Convert to fraction form
552,529.08/762,557.64 = 310,821.84/x - Step 3: Cross multiply
552,529.08x = 762,557.64 × 310,821.84 - Step 4: Simplify right side
552,529.08x = 237,019,568,770.86 - Step 5: Solve for x
x = 237,019,568,770.86/552,529.08 - Step 6: Final answer
x = 428,972.12
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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.