Finding the Fourth Proportional to 579,624.12, 868,310.33 and 326,131.65
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Solution
The fourth proportional to 579,624.12, 868,310.33 and 326,131.65 is: 488,564.00
Step by Step Solution
- Step 1: Write the proportion equation
579,624.12 : 868,310.33 = 326,131.65 : x - Step 2: Convert to fraction form
579,624.12/868,310.33 = 326,131.65/x - Step 3: Cross multiply
579,624.12x = 868,310.33 × 326,131.65 - Step 4: Simplify right side
579,624.12x = 283,183,479,004.29 - Step 5: Solve for x
x = 283,183,479,004.29/579,624.12 - Step 6: Final answer
x = 488,564.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.