Finding the Fourth Proportional to 418,380.48, 623,141.68 and 416,341.44
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Solution
The fourth proportional to 418,380.48, 623,141.68 and 416,341.44 is: 620,104.71
Step by Step Solution
- Step 1: Write the proportion equation
418,380.48 : 623,141.68 = 416,341.44 : x - Step 2: Convert to fraction form
418,380.48/623,141.68 = 416,341.44/x - Step 3: Cross multiply
418,380.48x = 623,141.68 × 416,341.44 - Step 4: Simplify right side
418,380.48x = 259,439,704,375.22 - Step 5: Solve for x
x = 259,439,704,375.22/418,380.48 - Step 6: Final answer
x = 620,104.71
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.