Finding the Fourth Proportional to 985,199.94, 1,477,340.64 and 511,758.18
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Solution
The fourth proportional to 985,199.94, 1,477,340.64 and 511,758.18 is: 767,398.70
Step by Step Solution
- Step 1: Write the proportion equation
985,199.94 : 1,477,340.64 = 511,758.18 : x - Step 2: Convert to fraction form
985,199.94/1,477,340.64 = 511,758.18/x - Step 3: Cross multiply
985,199.94x = 1,477,340.64 × 511,758.18 - Step 4: Simplify right side
985,199.94x = 756,041,157,166.44 - Step 5: Solve for x
x = 756,041,157,166.44/985,199.94 - Step 6: Final answer
x = 767,398.70
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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.