Finding the Fourth Proportional to 949,661.80, 1,424,492.70 and 284,813.80
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Solution
The fourth proportional to 949,661.80, 1,424,492.70 and 284,813.80 is: 427,220.70
Step by Step Solution
- Step 1: Write the proportion equation
949,661.80 : 1,424,492.70 = 284,813.80 : x - Step 2: Convert to fraction form
949,661.80/1,424,492.70 = 284,813.80/x - Step 3: Cross multiply
949,661.80x = 1,424,492.70 × 284,813.80 - Step 4: Simplify right side
949,661.80x = 405,715,178,959.26 - Step 5: Solve for x
x = 405,715,178,959.26/949,661.80 - Step 6: Final answer
x = 427,220.70
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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.