Finding the Fourth Proportional to 741,440.13, 1,112,149.82 and 292,164.92
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Solution
The fourth proportional to 741,440.13, 1,112,149.82 and 292,164.92 is: 438,243.28
Step by Step Solution
- Step 1: Write the proportion equation
741,440.13 : 1,112,149.82 = 292,164.92 : x - Step 2: Convert to fraction form
741,440.13/1,112,149.82 = 292,164.92/x - Step 3: Cross multiply
741,440.13x = 1,112,149.82 × 292,164.92 - Step 4: Simplify right side
741,440.13x = 324,931,156,166.74 - Step 5: Solve for x
x = 324,931,156,166.74/741,440.13 - Step 6: Final answer
x = 438,243.28
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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.