Finding the Fourth Proportional to 543,942.76, 750,408.50 and 339,854.65
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Solution
The fourth proportional to 543,942.76, 750,408.50 and 339,854.65 is: 468,854.15
Step by Step Solution
- Step 1: Write the proportion equation
543,942.76 : 750,408.50 = 339,854.65 : x - Step 2: Convert to fraction form
543,942.76/750,408.50 = 339,854.65/x - Step 3: Cross multiply
543,942.76x = 750,408.50 × 339,854.65 - Step 4: Simplify right side
543,942.76x = 255,029,821,319.19 - Step 5: Solve for x
x = 255,029,821,319.19/543,942.76 - Step 6: Final answer
x = 468,854.15
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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.