Finding the Fourth Proportional to 767,325.20, 1,149,432.60 and 434,512.40
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Solution
The fourth proportional to 767,325.20, 1,149,432.60 and 434,512.40 is: 650,887.94
Step by Step Solution
- Step 1: Write the proportion equation
767,325.20 : 1,149,432.60 = 434,512.40 : x - Step 2: Convert to fraction form
767,325.20/1,149,432.60 = 434,512.40/x - Step 3: Cross multiply
767,325.20x = 1,149,432.60 × 434,512.40 - Step 4: Simplify right side
767,325.20x = 499,442,717,664.24 - Step 5: Solve for x
x = 499,442,717,664.24/767,325.20 - Step 6: Final answer
x = 650,887.94
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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.