Finding the Fourth Proportional to 418,845.07, 623,530.40 and 416,353.99
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Solution
The fourth proportional to 418,845.07, 623,530.40 and 416,353.99 is: 619,821.95
Step by Step Solution
- Step 1: Write the proportion equation
418,845.07 : 623,530.40 = 416,353.99 : x - Step 2: Convert to fraction form
418,845.07/623,530.40 = 416,353.99/x - Step 3: Cross multiply
418,845.07x = 623,530.40 × 416,353.99 - Step 4: Simplify right side
418,845.07x = 259,609,369,926.30 - Step 5: Solve for x
x = 259,609,369,926.30/418,845.07 - Step 6: Final answer
x = 619,821.95
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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.