Finding the Fourth Proportional to 985,158.60, 1,477,278.63 and 511,716.84
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Solution
The fourth proportional to 985,158.60, 1,477,278.63 and 511,716.84 is: 767,336.70
Step by Step Solution
- Step 1: Write the proportion equation
985,158.60 : 1,477,278.63 = 511,716.84 : x - Step 2: Convert to fraction form
985,158.60/1,477,278.63 = 511,716.84/x - Step 3: Cross multiply
985,158.60x = 1,477,278.63 × 511,716.84 - Step 4: Simplify right side
985,158.60x = 755,948,352,343.13 - Step 5: Solve for x
x = 755,948,352,343.13/985,158.60 - Step 6: Final answer
x = 767,336.70
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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.