Finding the Fourth Proportional to 502,794.13, 693,855.92 and 276,439.63
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Solution
The fourth proportional to 502,794.13, 693,855.92 and 276,439.63 is: 381,486.70
Step by Step Solution
- Step 1: Write the proportion equation
502,794.13 : 693,855.92 = 276,439.63 : x - Step 2: Convert to fraction form
502,794.13/693,855.92 = 276,439.63/x - Step 3: Cross multiply
502,794.13x = 693,855.92 × 276,439.63 - Step 4: Simplify right side
502,794.13x = 191,809,273,798.11 - Step 5: Solve for x
x = 191,809,273,798.11/502,794.13 - Step 6: Final answer
x = 381,486.70
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1.5x scale
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.