Finding the Fourth Proportional to 669,673.19, 924,156.44 and 394,091.94
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Solution
The fourth proportional to 669,673.19, 924,156.44 and 394,091.94 is: 543,851.26
Step by Step Solution
- Step 1: Write the proportion equation
669,673.19 : 924,156.44 = 394,091.94 : x - Step 2: Convert to fraction form
669,673.19/924,156.44 = 394,091.94/x - Step 3: Cross multiply
669,673.19x = 924,156.44 × 394,091.94 - Step 4: Simplify right side
669,673.19x = 364,202,602,332.63 - Step 5: Solve for x
x = 364,202,602,332.63/669,673.19 - Step 6: Final answer
x = 543,851.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.