Finding the Fourth Proportional to 725,757.84, 1,001,579.97 and 403,473.28
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Solution
The fourth proportional to 725,757.84, 1,001,579.97 and 403,473.28 is: 556,812.11
Step by Step Solution
- Step 1: Write the proportion equation
725,757.84 : 1,001,579.97 = 403,473.28 : x - Step 2: Convert to fraction form
725,757.84/1,001,579.97 = 403,473.28/x - Step 3: Cross multiply
725,757.84x = 1,001,579.97 × 403,473.28 - Step 4: Simplify right side
725,757.84x = 404,110,755,678.20 - Step 5: Solve for x
x = 404,110,755,678.20/725,757.84 - Step 6: Final answer
x = 556,812.11
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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.