Finding the Fourth Proportional to 769,657.96, 1,062,175.14 and 430,153.32
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Solution
The fourth proportional to 769,657.96, 1,062,175.14 and 430,153.32 is: 593,637.94
Step by Step Solution
- Step 1: Write the proportion equation
769,657.96 : 1,062,175.14 = 430,153.32 : x - Step 2: Convert to fraction form
769,657.96/1,062,175.14 = 430,153.32/x - Step 3: Cross multiply
769,657.96x = 1,062,175.14 × 430,153.32 - Step 4: Simplify right side
769,657.96x = 456,898,162,892.47 - Step 5: Solve for x
x = 456,898,162,892.47/769,657.96 - Step 6: Final answer
x = 593,637.94
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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.