Finding the Fourth Proportional to 876,878.61, 1,315,404.33 and 364,438.05
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Solution
The fourth proportional to 876,878.61, 1,315,404.33 and 364,438.05 is: 546,692.99
Step by Step Solution
- Step 1: Write the proportion equation
876,878.61 : 1,315,404.33 = 364,438.05 : x - Step 2: Convert to fraction form
876,878.61/1,315,404.33 = 364,438.05/x - Step 3: Cross multiply
876,878.61x = 1,315,404.33 × 364,438.05 - Step 4: Simplify right side
876,878.61x = 479,383,388,986.76 - Step 5: Solve for x
x = 479,383,388,986.76/876,878.61 - Step 6: Final answer
x = 546,692.99
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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.