Finding the Fourth Proportional to 681,565.02, 940,559.74 and 395,251.08
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Solution
The fourth proportional to 681,565.02, 940,559.74 and 395,251.08 is: 545,446.50
Step by Step Solution
- Step 1: Write the proportion equation
681,565.02 : 940,559.74 = 395,251.08 : x - Step 2: Convert to fraction form
681,565.02/940,559.74 = 395,251.08/x - Step 3: Cross multiply
681,565.02x = 940,559.74 × 395,251.08 - Step 4: Simplify right side
681,565.02x = 371,757,253,039.52 - Step 5: Solve for x
x = 371,757,253,039.52/681,565.02 - Step 6: Final answer
x = 545,446.50
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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.