Finding the Fourth Proportional to 856,309.74, 1,284,644.97 and 323,818.98
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Solution
The fourth proportional to 856,309.74, 1,284,644.97 and 323,818.98 is: 485,796.67
Step by Step Solution
- Step 1: Write the proportion equation
856,309.74 : 1,284,644.97 = 323,818.98 : x - Step 2: Convert to fraction form
856,309.74/1,284,644.97 = 323,818.98/x - Step 3: Cross multiply
856,309.74x = 1,284,644.97 × 323,818.98 - Step 4: Simplify right side
856,309.74x = 415,992,423,847.53 - Step 5: Solve for x
x = 415,992,423,847.53/856,309.74 - Step 6: Final answer
x = 485,796.67
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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.