Finding the Fourth Proportional to 769,752.68, 1,062,240.35 and 430,252.52
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Solution
The fourth proportional to 769,752.68, 1,062,240.35 and 430,252.52 is: 593,738.22
Step by Step Solution
- Step 1: Write the proportion equation
769,752.68 : 1,062,240.35 = 430,252.52 : x - Step 2: Convert to fraction form
769,752.68/1,062,240.35 = 430,252.52/x - Step 3: Cross multiply
769,752.68x = 1,062,240.35 × 430,252.52 - Step 4: Simplify right side
769,752.68x = 457,031,591,164.41 - Step 5: Solve for x
x = 457,031,591,164.41/769,752.68 - Step 6: Final answer
x = 593,738.22
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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.