Finding the Fourth Proportional to 769,964.70, 1,062,050.64 and 493,885.62
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Solution
The fourth proportional to 769,964.70, 1,062,050.64 and 493,885.62 is: 681,241.02
Step by Step Solution
- Step 1: Write the proportion equation
769,964.70 : 1,062,050.64 = 493,885.62 : x - Step 2: Convert to fraction form
769,964.70/1,062,050.64 = 493,885.62/x - Step 3: Cross multiply
769,964.70x = 1,062,050.64 × 493,885.62 - Step 4: Simplify right side
769,964.70x = 524,531,538,807.80 - Step 5: Solve for x
x = 524,531,538,807.80/769,964.70 - Step 6: Final answer
x = 681,241.02
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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.