Finding the Fourth Proportional to 826,421.32, 1,239,468.62 and 227,227.88
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Solution
The fourth proportional to 826,421.32, 1,239,468.62 and 227,227.88 is: 340,796.90
Step by Step Solution
- Step 1: Write the proportion equation
826,421.32 : 1,239,468.62 = 227,227.88 : x - Step 2: Convert to fraction form
826,421.32/1,239,468.62 = 227,227.88/x - Step 3: Cross multiply
826,421.32x = 1,239,468.62 × 227,227.88 - Step 4: Simplify right side
826,421.32x = 281,641,826,849.13 - Step 5: Solve for x
x = 281,641,826,849.13/826,421.32 - Step 6: Final answer
x = 340,796.90
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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.