Finding the Fourth Proportional to 493,994.50, 681,336.26 and 425,201.05
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Solution
The fourth proportional to 493,994.50, 681,336.26 and 425,201.05 is: 586,453.68
Step by Step Solution
- Step 1: Write the proportion equation
493,994.50 : 681,336.26 = 425,201.05 : x - Step 2: Convert to fraction form
493,994.50/681,336.26 = 425,201.05/x - Step 3: Cross multiply
493,994.50x = 681,336.26 × 425,201.05 - Step 4: Simplify right side
493,994.50x = 289,704,889,325.73 - Step 5: Solve for x
x = 289,704,889,325.73/493,994.50 - Step 6: Final answer
x = 586,453.68
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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.