Finding the Fourth Proportional to 766,878.14, 1,149,537.98 and 317,843.30
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Solution
The fourth proportional to 766,878.14, 1,149,537.98 and 317,843.30 is: 476,441.99
Step by Step Solution
- Step 1: Write the proportion equation
766,878.14 : 1,149,537.98 = 317,843.30 : x - Step 2: Convert to fraction form
766,878.14/1,149,537.98 = 317,843.30/x - Step 3: Cross multiply
766,878.14x = 1,149,537.98 × 317,843.30 - Step 4: Simplify right side
766,878.14x = 365,372,945,038.53 - Step 5: Solve for x
x = 365,372,945,038.53/766,878.14 - Step 6: Final answer
x = 476,441.99
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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.