Finding the Fourth Proportional to 503,316.99, 694,606.19 and 288,492.84
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Solution
The fourth proportional to 503,316.99, 694,606.19 and 288,492.84 is: 398,136.59
Step by Step Solution
- Step 1: Write the proportion equation
503,316.99 : 694,606.19 = 288,492.84 : x - Step 2: Convert to fraction form
503,316.99/694,606.19 = 288,492.84/x - Step 3: Cross multiply
503,316.99x = 694,606.19 × 288,492.84 - Step 4: Simplify right side
503,316.99x = 200,388,910,992.22 - Step 5: Solve for x
x = 200,388,910,992.22/503,316.99 - Step 6: Final answer
x = 398,136.59
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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.