Finding the Fourth Proportional to 667,375.60, 920,240.34 and 425,274.70
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Solution
The fourth proportional to 667,375.60, 920,240.34 and 425,274.70 is: 586,408.81
Step by Step Solution
- Step 1: Write the proportion equation
667,375.60 : 920,240.34 = 425,274.70 : x - Step 2: Convert to fraction form
667,375.60/920,240.34 = 425,274.70/x - Step 3: Cross multiply
667,375.60x = 920,240.34 × 425,274.70 - Step 4: Simplify right side
667,375.60x = 391,354,934,521.40 - Step 5: Solve for x
x = 391,354,934,521.40/667,375.60 - Step 6: Final answer
x = 586,408.81
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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.