Finding the Fourth Proportional to 801,786.80, 1,105,579.14 and 510,937.68
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Solution
The fourth proportional to 801,786.80, 1,105,579.14 and 510,937.68 is: 704,528.99
Step by Step Solution
- Step 1: Write the proportion equation
801,786.80 : 1,105,579.14 = 510,937.68 : x - Step 2: Convert to fraction form
801,786.80/1,105,579.14 = 510,937.68/x - Step 3: Cross multiply
801,786.80x = 1,105,579.14 × 510,937.68 - Step 4: Simplify right side
801,786.80x = 564,882,040,848.00 - Step 5: Solve for x
x = 564,882,040,848.00/801,786.80 - Step 6: Final answer
x = 704,528.99
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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.