Finding the Fourth Proportional to 769,723.68, 1,062,216 and 430,191.92
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Solution
The fourth proportional to 769,723.68, 1,062,216 and 430,191.92 is: 593,663.35
Step by Step Solution
- Step 1: Write the proportion equation
769,723.68 : 1,062,216 = 430,191.92 : x - Step 2: Convert to fraction form
769,723.68/1,062,216 = 430,191.92/x - Step 3: Cross multiply
769,723.68x = 1,062,216 × 430,191.92 - Step 4: Simplify right side
769,723.68x = 456,956,740,494.72 - Step 5: Solve for x
x = 456,956,740,494.72/769,723.68 - Step 6: Final answer
x = 593,663.35
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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.