Finding the Fourth Proportional to 862,769.12, 1,294,156.86 and 263,727.95
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Solution
The fourth proportional to 862,769.12, 1,294,156.86 and 263,727.95 is: 395,592.90
Step by Step Solution
- Step 1: Write the proportion equation
862,769.12 : 1,294,156.86 = 263,727.95 : x - Step 2: Convert to fraction form
862,769.12/1,294,156.86 = 263,727.95/x - Step 3: Cross multiply
862,769.12x = 1,294,156.86 × 263,727.95 - Step 4: Simplify right side
862,769.12x = 341,305,335,666.24 - Step 5: Solve for x
x = 341,305,335,666.24/862,769.12 - Step 6: Final answer
x = 395,592.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.