Finding the Fourth Proportional to 672,438.44, 1,008,108.00 and 312,833.44
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Solution
The fourth proportional to 672,438.44, 1,008,108.00 and 312,833.44 is: 468,994.45
Step by Step Solution
- Step 1: Write the proportion equation
672,438.44 : 1,008,108.00 = 312,833.44 : x - Step 2: Convert to fraction form
672,438.44/1,008,108.00 = 312,833.44/x - Step 3: Cross multiply
672,438.44x = 1,008,108.00 × 312,833.44 - Step 4: Simplify right side
672,438.44x = 315,369,893,618.53 - Step 5: Solve for x
x = 315,369,893,618.53/672,438.44 - Step 6: Final answer
x = 468,994.45
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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.