Finding the Fourth Proportional to 802,073.70, 1,203,110.55 and 269,417.70
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Solution
The fourth proportional to 802,073.70, 1,203,110.55 and 269,417.70 is: 404,126.55
Step by Step Solution
- Step 1: Write the proportion equation
802,073.70 : 1,203,110.55 = 269,417.70 : x - Step 2: Convert to fraction form
802,073.70/1,203,110.55 = 269,417.70/x - Step 3: Cross multiply
802,073.70x = 1,203,110.55 × 269,417.70 - Step 4: Simplify right side
802,073.70x = 324,139,277,226.74 - Step 5: Solve for x
x = 324,139,277,226.74/802,073.70 - Step 6: Final answer
x = 404,126.55
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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.