Finding the Fourth Proportional to 727,590.84, 1,091,378.58 and 284,355
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Solution
The fourth proportional to 727,590.84, 1,091,378.58 and 284,355 is: 426,529.50
Step by Step Solution
- Step 1: Write the proportion equation
727,590.84 : 1,091,378.58 = 284,355 : x - Step 2: Convert to fraction form
727,590.84/1,091,378.58 = 284,355/x - Step 3: Cross multiply
727,590.84x = 1,091,378.58 × 284,355 - Step 4: Simplify right side
727,590.84x = 310,338,956,115.90 - Step 5: Solve for x
x = 310,338,956,115.90/727,590.84 - Step 6: Final answer
x = 426,529.50
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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.