Finding the Fourth Proportional to 681,441.72, 940,395.79 and 375,529.08
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Solution
The fourth proportional to 681,441.72, 940,395.79 and 375,529.08 is: 518,233.55
Step by Step Solution
- Step 1: Write the proportion equation
681,441.72 : 940,395.79 = 375,529.08 : x - Step 2: Convert to fraction form
681,441.72/940,395.79 = 375,529.08/x - Step 3: Cross multiply
681,441.72x = 940,395.79 × 375,529.08 - Step 4: Simplify right side
681,441.72x = 353,145,961,152.59 - Step 5: Solve for x
x = 353,145,961,152.59/681,441.72 - Step 6: Final answer
x = 518,233.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.