Finding the Fourth Proportional to 418,845.57, 623,531.15 and 416,354.49
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Solution
The fourth proportional to 418,845.57, 623,531.15 and 416,354.49 is: 619,822.70
Step by Step Solution
- Step 1: Write the proportion equation
418,845.57 : 623,531.15 = 416,354.49 : x - Step 2: Convert to fraction form
418,845.57/623,531.15 = 416,354.49/x - Step 3: Cross multiply
418,845.57x = 623,531.15 × 416,354.49 - Step 4: Simplify right side
418,845.57x = 259,609,991,875.59 - Step 5: Solve for x
x = 259,609,991,875.59/418,845.57 - Step 6: Final answer
x = 619,822.70
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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.