Finding the Fourth Proportional to 754,796.76, 1,132,158.15 and 281,445.09
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Solution
The fourth proportional to 754,796.76, 1,132,158.15 and 281,445.09 is: 422,153.84
Step by Step Solution
- Step 1: Write the proportion equation
754,796.76 : 1,132,158.15 = 281,445.09 : x - Step 2: Convert to fraction form
754,796.76/1,132,158.15 = 281,445.09/x - Step 3: Cross multiply
754,796.76x = 1,132,158.15 × 281,445.09 - Step 4: Simplify right side
754,796.76x = 318,640,352,420.98 - Step 5: Solve for x
x = 318,640,352,420.98/754,796.76 - Step 6: Final answer
x = 422,153.84
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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.