Finding the Fourth Proportional to 790,463.94, 1,184,969.34 and 284,901.18
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Solution
The fourth proportional to 790,463.94, 1,184,969.34 and 284,901.18 is: 427,089.90
Step by Step Solution
- Step 1: Write the proportion equation
790,463.94 : 1,184,969.34 = 284,901.18 : x - Step 2: Convert to fraction form
790,463.94/1,184,969.34 = 284,901.18/x - Step 3: Cross multiply
790,463.94x = 1,184,969.34 × 284,901.18 - Step 4: Simplify right side
790,463.94x = 337,599,163,229.82 - Step 5: Solve for x
x = 337,599,163,229.82/790,463.94 - Step 6: Final answer
x = 427,089.90
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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.