Finding the Fourth Proportional to 811,081.74, 1,118,920.77 and 524,694.18
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Solution
The fourth proportional to 811,081.74, 1,118,920.77 and 524,694.18 is: 723,837.30
Step by Step Solution
- Step 1: Write the proportion equation
811,081.74 : 1,118,920.77 = 524,694.18 : x - Step 2: Convert to fraction form
811,081.74/1,118,920.77 = 524,694.18/x - Step 3: Cross multiply
811,081.74x = 1,118,920.77 × 524,694.18 - Step 4: Simplify right side
811,081.74x = 587,091,215,900.12 - Step 5: Solve for x
x = 587,091,215,900.12/811,081.74 - Step 6: Final answer
x = 723,837.30
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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.