Finding the Fourth Proportional to 697,907.70, 1,046,861.55 and 651,251.70
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Solution
The fourth proportional to 697,907.70, 1,046,861.55 and 651,251.70 is: 976,877.55
Step by Step Solution
- Step 1: Write the proportion equation
697,907.70 : 1,046,861.55 = 651,251.70 : x - Step 2: Convert to fraction form
697,907.70/1,046,861.55 = 651,251.70/x - Step 3: Cross multiply
697,907.70x = 1,046,861.55 × 651,251.70 - Step 4: Simplify right side
697,907.70x = 681,770,364,102.14 - Step 5: Solve for x
x = 681,770,364,102.14/697,907.70 - Step 6: Final answer
x = 976,877.55
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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.