Finding the Fourth Proportional to 985,367.88, 1,477,395.18 and 354,199.68
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Solution
The fourth proportional to 985,367.88, 1,477,395.18 and 354,199.68 is: 531,063.48
Step by Step Solution
- Step 1: Write the proportion equation
985,367.88 : 1,477,395.18 = 354,199.68 : x - Step 2: Convert to fraction form
985,367.88/1,477,395.18 = 354,199.68/x - Step 3: Cross multiply
985,367.88x = 1,477,395.18 × 354,199.68 - Step 4: Simplify right side
985,367.88x = 523,292,899,989.54 - Step 5: Solve for x
x = 523,292,899,989.54/985,367.88 - Step 6: Final answer
x = 531,063.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.