Finding the Fourth Proportional to 585,737.21, 808,078.87 and 381,713.80
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Solution
The fourth proportional to 585,737.21, 808,078.87 and 381,713.80 is: 526,609.63
Step by Step Solution
- Step 1: Write the proportion equation
585,737.21 : 808,078.87 = 381,713.80 : x - Step 2: Convert to fraction form
585,737.21/808,078.87 = 381,713.80/x - Step 3: Cross multiply
585,737.21x = 808,078.87 × 381,713.80 - Step 4: Simplify right side
585,737.21x = 308,454,853,992.36 - Step 5: Solve for x
x = 308,454,853,992.36/585,737.21 - Step 6: Final answer
x = 526,609.63
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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.