Finding the Fourth Proportional to 650,790.30, 976,815.16 and 314,067.99
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Solution
The fourth proportional to 650,790.30, 976,815.16 and 314,067.99 is: 471,405.88
Step by Step Solution
- Step 1: Write the proportion equation
650,790.30 : 976,815.16 = 314,067.99 : x - Step 2: Convert to fraction form
650,790.30/976,815.16 = 314,067.99/x - Step 3: Cross multiply
650,790.30x = 976,815.16 × 314,067.99 - Step 4: Simplify right side
650,790.30x = 306,786,376,780.62 - Step 5: Solve for x
x = 306,786,376,780.62/650,790.30 - Step 6: Final answer
x = 471,405.88
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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.