Finding the Fourth Proportional to 751,145.82, 1,125,931.41 and 277,529.10
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Solution
The fourth proportional to 751,145.82, 1,125,931.41 and 277,529.10 is: 416,002.76
Step by Step Solution
- Step 1: Write the proportion equation
751,145.82 : 1,125,931.41 = 277,529.10 : x - Step 2: Convert to fraction form
751,145.82/1,125,931.41 = 277,529.10/x - Step 3: Cross multiply
751,145.82x = 1,125,931.41 × 277,529.10 - Step 4: Simplify right side
751,145.82x = 312,478,730,879.03 - Step 5: Solve for x
x = 312,478,730,879.03/751,145.82 - Step 6: Final answer
x = 416,002.76
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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.