Finding the Fourth Proportional to 552,519.08, 762,543.78 and 310,811.84
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Solution
The fourth proportional to 552,519.08, 762,543.78 and 310,811.84 is: 428,958.28
Step by Step Solution
- Step 1: Write the proportion equation
552,519.08 : 762,543.78 = 310,811.84 : x - Step 2: Convert to fraction form
552,519.08/762,543.78 = 310,811.84/x - Step 3: Cross multiply
552,519.08x = 762,543.78 × 310,811.84 - Step 4: Simplify right side
552,519.08x = 237,007,635,342.36 - Step 5: Solve for x
x = 237,007,635,342.36/552,519.08 - Step 6: Final answer
x = 428,958.28
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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.