Finding the Fourth Proportional to 502,988.48, 694,112.64 and 276,637.76
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Solution
The fourth proportional to 502,988.48, 694,112.64 and 276,637.76 is: 381,753.80
Step by Step Solution
- Step 1: Write the proportion equation
502,988.48 : 694,112.64 = 276,637.76 : x - Step 2: Convert to fraction form
502,988.48/694,112.64 = 276,637.76/x - Step 3: Cross multiply
502,988.48x = 694,112.64 × 276,637.76 - Step 4: Simplify right side
502,988.48x = 192,017,765,917.29 - Step 5: Solve for x
x = 192,017,765,917.29/502,988.48 - Step 6: Final answer
x = 381,753.80
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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.