Finding the Fourth Proportional to 725,857.44, 1,001,682.36 and 403,557.36
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Solution
The fourth proportional to 725,857.44, 1,001,682.36 and 403,557.36 is: 556,908.65
Step by Step Solution
- Step 1: Write the proportion equation
725,857.44 : 1,001,682.36 = 403,557.36 : x - Step 2: Convert to fraction form
725,857.44/1,001,682.36 = 403,557.36/x - Step 3: Cross multiply
725,857.44x = 1,001,682.36 × 403,557.36 - Step 4: Simplify right side
725,857.44x = 404,236,288,760.17 - Step 5: Solve for x
x = 404,236,288,760.17/725,857.44 - Step 6: Final answer
x = 556,908.65
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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.