Finding the Fourth Proportional to 789,423.84, 1,184,310.72 and 368,470.08
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Solution
The fourth proportional to 789,423.84, 1,184,310.72 and 368,470.08 is: 552,786.78
Step by Step Solution
- Step 1: Write the proportion equation
789,423.84 : 1,184,310.72 = 368,470.08 : x - Step 2: Convert to fraction form
789,423.84/1,184,310.72 = 368,470.08/x - Step 3: Cross multiply
789,423.84x = 1,184,310.72 × 368,470.08 - Step 4: Simplify right side
789,423.84x = 436,383,065,743.26 - Step 5: Solve for x
x = 436,383,065,743.26/789,423.84 - Step 6: Final answer
x = 552,786.78
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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.