Finding the Fourth Proportional to 502,988.24, 694,129.56 and 276,637.52
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Solution
The fourth proportional to 502,988.24, 694,129.56 and 276,637.52 is: 381,762.96
Step by Step Solution
- Step 1: Write the proportion equation
502,988.24 : 694,129.56 = 276,637.52 : x - Step 2: Convert to fraction form
502,988.24/694,129.56 = 276,637.52/x - Step 3: Cross multiply
502,988.24x = 694,129.56 × 276,637.52 - Step 4: Simplify right side
502,988.24x = 192,022,280,037.09 - Step 5: Solve for x
x = 192,022,280,037.09/502,988.24 - Step 6: Final answer
x = 381,762.96
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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.