Finding the Fourth Proportional to 502,883.91, 693,979.74 and 276,529.41
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Solution
The fourth proportional to 502,883.91, 693,979.74 and 276,529.41 is: 381,610.56
Step by Step Solution
- Step 1: Write the proportion equation
502,883.91 : 693,979.74 = 276,529.41 : x - Step 2: Convert to fraction form
502,883.91/693,979.74 = 276,529.41/x - Step 3: Cross multiply
502,883.91x = 693,979.74 × 276,529.41 - Step 4: Simplify right side
502,883.91x = 191,905,808,054.15 - Step 5: Solve for x
x = 191,905,808,054.15/502,883.91 - Step 6: Final answer
x = 381,610.56
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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.