Finding the Fourth Proportional to 754,018.99, 1,040,519.86 and 414,484.81
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Solution
The fourth proportional to 754,018.99, 1,040,519.86 and 414,484.81 is: 571,974.56
Step by Step Solution
- Step 1: Write the proportion equation
754,018.99 : 1,040,519.86 = 414,484.81 : x - Step 2: Convert to fraction form
754,018.99/1,040,519.86 = 414,484.81/x - Step 3: Cross multiply
754,018.99x = 1,040,519.86 × 414,484.81 - Step 4: Simplify right side
754,018.99x = 431,279,676,473.33 - Step 5: Solve for x
x = 431,279,676,473.33/754,018.99 - Step 6: Final answer
x = 571,974.56
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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.