Finding the Fourth Proportional to 791,404.58, 1,187,464.99 and 311,500.24
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Solution
The fourth proportional to 791,404.58, 1,187,464.99 and 311,500.24 is: 467,391.31
Step by Step Solution
- Step 1: Write the proportion equation
791,404.58 : 1,187,464.99 = 311,500.24 : x - Step 2: Convert to fraction form
791,404.58/1,187,464.99 = 311,500.24/x - Step 3: Cross multiply
791,404.58x = 1,187,464.99 × 311,500.24 - Step 4: Simplify right side
791,404.58x = 369,895,624,218.02 - Step 5: Solve for x
x = 369,895,624,218.02/791,404.58 - Step 6: Final answer
x = 467,391.31
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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.