Finding the Fourth Proportional to 765,994.48, 1,149,516.76 and 267,358.48
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Solution
The fourth proportional to 765,994.48, 1,149,516.76 and 267,358.48 is: 401,220.98
Step by Step Solution
- Step 1: Write the proportion equation
765,994.48 : 1,149,516.76 = 267,358.48 : x - Step 2: Convert to fraction form
765,994.48/1,149,516.76 = 267,358.48/x - Step 3: Cross multiply
765,994.48x = 1,149,516.76 × 267,358.48 - Step 4: Simplify right side
765,994.48x = 307,333,053,688.13 - Step 5: Solve for x
x = 307,333,053,688.13/765,994.48 - Step 6: Final answer
x = 401,220.98
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1.5x scale
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.