Finding the Fourth Proportional to 809,976.42, 1,119,896.88 and 797,188.14
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Solution
The fourth proportional to 809,976.42, 1,119,896.88 and 797,188.14 is: 1,102,215.43
Step by Step Solution
- Step 1: Write the proportion equation
809,976.42 : 1,119,896.88 = 797,188.14 : x - Step 2: Convert to fraction form
809,976.42/1,119,896.88 = 797,188.14/x - Step 3: Cross multiply
809,976.42x = 1,119,896.88 × 797,188.14 - Step 4: Simplify right side
809,976.42x = 892,768,510,759.00 - Step 5: Solve for x
x = 892,768,510,759.00/809,976.42 - Step 6: Final answer
x = 1,102,215.43
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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.