Finding the Fourth Proportional to 963,839.70, 1,330,106.49 and 534,126.96
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Solution
The fourth proportional to 963,839.70, 1,330,106.49 and 534,126.96 is: 737,099.47
Step by Step Solution
- Step 1: Write the proportion equation
963,839.70 : 1,330,106.49 = 534,126.96 : x - Step 2: Convert to fraction form
963,839.70/1,330,106.49 = 534,126.96/x - Step 3: Cross multiply
963,839.70x = 1,330,106.49 × 534,126.96 - Step 4: Simplify right side
963,839.70x = 710,445,735,979.97 - Step 5: Solve for x
x = 710,445,735,979.97/963,839.70 - Step 6: Final answer
x = 737,099.47
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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.