Finding the Fourth Proportional to 963,883.53, 1,330,212.21 and 534,154.43
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Solution
The fourth proportional to 963,883.53, 1,330,212.21 and 534,154.43 is: 737,162.45
Step by Step Solution
- Step 1: Write the proportion equation
963,883.53 : 1,330,212.21 = 534,154.43 : x - Step 2: Convert to fraction form
963,883.53/1,330,212.21 = 534,154.43/x - Step 3: Cross multiply
963,883.53x = 1,330,212.21 × 534,154.43 - Step 4: Simplify right side
963,883.53x = 710,538,744,811.59 - Step 5: Solve for x
x = 710,538,744,811.59/963,883.53 - Step 6: Final answer
x = 737,162.45
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1.5x scale
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.