Finding the Fourth Proportional to 543,890.85, 750,590.26 and 298,885.95
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Solution
The fourth proportional to 543,890.85, 750,590.26 and 298,885.95 is: 412,474.09
Step by Step Solution
- Step 1: Write the proportion equation
543,890.85 : 750,590.26 = 298,885.95 : x - Step 2: Convert to fraction form
543,890.85/750,590.26 = 298,885.95/x - Step 3: Cross multiply
543,890.85x = 750,590.26 × 298,885.95 - Step 4: Simplify right side
543,890.85x = 224,340,882,920.85 - Step 5: Solve for x
x = 224,340,882,920.85/543,890.85 - Step 6: Final answer
x = 412,474.09
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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.