Finding the Fourth Proportional to 512,702.37, 769,217.84 and 358,988.48
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Solution
The fourth proportional to 512,702.37, 769,217.84 and 358,988.48 is: 538,597.75
Step by Step Solution
- Step 1: Write the proportion equation
512,702.37 : 769,217.84 = 358,988.48 : x - Step 2: Convert to fraction form
512,702.37/769,217.84 = 358,988.48/x - Step 3: Cross multiply
512,702.37x = 769,217.84 × 358,988.48 - Step 4: Simplify right side
512,702.37x = 276,140,343,170.48 - Step 5: Solve for x
x = 276,140,343,170.48/512,702.37 - Step 6: Final answer
x = 538,597.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.