Finding the Fourth Proportional to 476,808.76, 715,337.49 and 276,936.98
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Solution
The fourth proportional to 476,808.76, 715,337.49 and 276,936.98 is: 415,477.70
Step by Step Solution
- Step 1: Write the proportion equation
476,808.76 : 715,337.49 = 276,936.98 : x - Step 2: Convert to fraction form
476,808.76/715,337.49 = 276,936.98/x - Step 3: Cross multiply
476,808.76x = 715,337.49 × 276,936.98 - Step 4: Simplify right side
476,808.76x = 198,103,404,161.38 - Step 5: Solve for x
x = 198,103,404,161.38/476,808.76 - Step 6: Final answer
x = 415,477.70
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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.