Finding the Fourth Proportional to 769,753.68, 1,062,241.73 and 430,253.52
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Solution
The fourth proportional to 769,753.68, 1,062,241.73 and 430,253.52 is: 593,739.60
Step by Step Solution
- Step 1: Write the proportion equation
769,753.68 : 1,062,241.73 = 430,253.52 : x - Step 2: Convert to fraction form
769,753.68/1,062,241.73 = 430,253.52/x - Step 3: Cross multiply
769,753.68x = 1,062,241.73 × 430,253.52 - Step 4: Simplify right side
769,753.68x = 457,033,243,423.39 - Step 5: Solve for x
x = 457,033,243,423.39/769,753.68 - Step 6: Final answer
x = 593,739.60
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1.5x scale
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.