Finding the Fourth Proportional to 803,230.20, 1,204,107.12 and 347,536.62
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Solution
The fourth proportional to 803,230.20, 1,204,107.12 and 347,536.62 is: 520,985.54
Step by Step Solution
- Step 1: Write the proportion equation
803,230.20 : 1,204,107.12 = 347,536.62 : x - Step 2: Convert to fraction form
803,230.20/1,204,107.12 = 347,536.62/x - Step 3: Cross multiply
803,230.20x = 1,204,107.12 × 347,536.62 - Step 4: Simplify right side
803,230.20x = 418,471,318,602.73 - Step 5: Solve for x
x = 418,471,318,602.73/803,230.20 - Step 6: Final answer
x = 520,985.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.