Finding the Fourth Proportional to 784,930.81, 1,175,819.77 and 357,879.19
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Solution
The fourth proportional to 784,930.81, 1,175,819.77 and 357,879.19 is: 536,100.03
Step by Step Solution
- Step 1: Write the proportion equation
784,930.81 : 1,175,819.77 = 357,879.19 : x - Step 2: Convert to fraction form
784,930.81/1,175,819.77 = 357,879.19/x - Step 3: Cross multiply
784,930.81x = 1,175,819.77 × 357,879.19 - Step 4: Simplify right side
784,930.81x = 420,801,428,918.44 - Step 5: Solve for x
x = 420,801,428,918.44/784,930.81 - Step 6: Final answer
x = 536,100.03
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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.