Finding the Fourth Proportional to 579,431.30, 868,110.15 and 473,677.70
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Solution
The fourth proportional to 579,431.30, 868,110.15 and 473,677.70 is: 709,668.98
Step by Step Solution
- Step 1: Write the proportion equation
579,431.30 : 868,110.15 = 473,677.70 : x - Step 2: Convert to fraction form
579,431.30/868,110.15 = 473,677.70/x - Step 3: Cross multiply
579,431.30x = 868,110.15 × 473,677.70 - Step 4: Simplify right side
579,431.30x = 411,204,419,198.66 - Step 5: Solve for x
x = 411,204,419,198.66/579,431.30 - Step 6: Final answer
x = 709,668.98
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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.