Finding the Fourth Proportional to 807,890.44, 1,114,953.06 and 445,379.08
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Solution
The fourth proportional to 807,890.44, 1,114,953.06 and 445,379.08 is: 614,658.55
Step by Step Solution
- Step 1: Write the proportion equation
807,890.44 : 1,114,953.06 = 445,379.08 : x - Step 2: Convert to fraction form
807,890.44/1,114,953.06 = 445,379.08/x - Step 3: Cross multiply
807,890.44x = 1,114,953.06 × 445,379.08 - Step 4: Simplify right side
807,890.44x = 496,576,768,105.99 - Step 5: Solve for x
x = 496,576,768,105.99/807,890.44 - Step 6: Final answer
x = 614,658.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.