Finding the Fourth Proportional to 780,183.09, 1,171,207.76 and 464,788.53
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Solution
The fourth proportional to 780,183.09, 1,171,207.76 and 464,788.53 is: 697,738.69
Step by Step Solution
- Step 1: Write the proportion equation
780,183.09 : 1,171,207.76 = 464,788.53 : x - Step 2: Convert to fraction form
780,183.09/1,171,207.76 = 464,788.53/x - Step 3: Cross multiply
780,183.09x = 1,171,207.76 × 464,788.53 - Step 4: Simplify right side
780,183.09x = 544,363,930,771.05 - Step 5: Solve for x
x = 544,363,930,771.05/780,183.09 - Step 6: Final answer
x = 697,738.69
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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.