Finding the Fourth Proportional to 472,474.26, 707,922.36 and 331,981.38
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Solution
The fourth proportional to 472,474.26, 707,922.36 and 331,981.38 is: 497,417.66
Step by Step Solution
- Step 1: Write the proportion equation
472,474.26 : 707,922.36 = 331,981.38 : x - Step 2: Convert to fraction form
472,474.26/707,922.36 = 331,981.38/x - Step 3: Cross multiply
472,474.26x = 707,922.36 × 331,981.38 - Step 4: Simplify right side
472,474.26x = 235,017,042,005.66 - Step 5: Solve for x
x = 235,017,042,005.66/472,474.26 - Step 6: Final answer
x = 497,417.66
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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.