Finding the Fourth Proportional to 880,722.55, 1,321,076.76 and 523,369.99
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Solution
The fourth proportional to 880,722.55, 1,321,076.76 and 523,369.99 is: 785,050.79
Step by Step Solution
- Step 1: Write the proportion equation
880,722.55 : 1,321,076.76 = 523,369.99 : x - Step 2: Convert to fraction form
880,722.55/1,321,076.76 = 523,369.99/x - Step 3: Cross multiply
880,722.55x = 1,321,076.76 × 523,369.99 - Step 4: Simplify right side
880,722.55x = 691,411,930,670.43 - Step 5: Solve for x
x = 691,411,930,670.43/880,722.55 - Step 6: Final answer
x = 785,050.79
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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.