Finding the Fourth Proportional to 676,684.40, 1,014,294.12 and 440,196.08
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Solution
The fourth proportional to 676,684.40, 1,014,294.12 and 440,196.08 is: 659,817.63
Step by Step Solution
- Step 1: Write the proportion equation
676,684.40 : 1,014,294.12 = 440,196.08 : x - Step 2: Convert to fraction form
676,684.40/1,014,294.12 = 440,196.08/x - Step 3: Cross multiply
676,684.40x = 1,014,294.12 × 440,196.08 - Step 4: Simplify right side
676,684.40x = 446,488,295,591.05 - Step 5: Solve for x
x = 446,488,295,591.05/676,684.40 - Step 6: Final answer
x = 659,817.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.