Finding the Fourth Proportional to 552,350.79, 762,236.87 and 310,633.29
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Solution
The fourth proportional to 552,350.79, 762,236.87 and 310,633.29 is: 428,669.88
Step by Step Solution
- Step 1: Write the proportion equation
552,350.79 : 762,236.87 = 310,633.29 : x - Step 2: Convert to fraction form
552,350.79/762,236.87 = 310,633.29/x - Step 3: Cross multiply
552,350.79x = 762,236.87 × 310,633.29 - Step 4: Simplify right side
552,350.79x = 236,776,145,134.24 - Step 5: Solve for x
x = 236,776,145,134.24/552,350.79 - Step 6: Final answer
x = 428,669.88
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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.