Finding the Fourth Proportional to 672,609.98, 1,006,711.55 and 368,540.44
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Solution
The fourth proportional to 672,609.98, 1,006,711.55 and 368,540.44 is: 551,603.35
Step by Step Solution
- Step 1: Write the proportion equation
672,609.98 : 1,006,711.55 = 368,540.44 : x - Step 2: Convert to fraction form
672,609.98/1,006,711.55 = 368,540.44/x - Step 3: Cross multiply
672,609.98x = 1,006,711.55 × 368,540.44 - Step 4: Simplify right side
672,609.98x = 371,013,916,685.67 - Step 5: Solve for x
x = 371,013,916,685.67/672,609.98 - Step 6: Final answer
x = 551,603.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.