Finding the Fourth Proportional to 963,778.60, 1,330,107.78 and 534,197.80
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Solution
The fourth proportional to 963,778.60, 1,330,107.78 and 534,197.80 is: 737,244.68
Step by Step Solution
- Step 1: Write the proportion equation
963,778.60 : 1,330,107.78 = 534,197.80 : x - Step 2: Convert to fraction form
963,778.60/1,330,107.78 = 534,197.80/x - Step 3: Cross multiply
963,778.60x = 1,330,107.78 × 534,197.80 - Step 4: Simplify right side
963,778.60x = 710,540,649,838.88 - Step 5: Solve for x
x = 710,540,649,838.88/963,778.60 - Step 6: Final answer
x = 737,244.68
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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.