Finding the Fourth Proportional to 681,509.18, 940,489.11 and 375,596.72
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Solution
The fourth proportional to 681,509.18, 940,489.11 and 375,596.72 is: 518,327.02
Step by Step Solution
- Step 1: Write the proportion equation
681,509.18 : 940,489.11 = 375,596.72 : x - Step 2: Convert to fraction form
681,509.18/940,489.11 = 375,596.72/x - Step 3: Cross multiply
681,509.18x = 940,489.11 × 375,596.72 - Step 4: Simplify right side
681,509.18x = 353,244,624,911.72 - Step 5: Solve for x
x = 353,244,624,911.72/681,509.18 - Step 6: Final answer
x = 518,327.02
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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.