Finding the Fourth Proportional to 867,285.12, 1,196,769.12 and 504,756.96
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Solution
The fourth proportional to 867,285.12, 1,196,769.12 and 504,756.96 is: 696,515.52
Step by Step Solution
- Step 1: Write the proportion equation
867,285.12 : 1,196,769.12 = 504,756.96 : x - Step 2: Convert to fraction form
867,285.12/1,196,769.12 = 504,756.96/x - Step 3: Cross multiply
867,285.12x = 1,196,769.12 × 504,756.96 - Step 4: Simplify right side
867,285.12x = 604,077,542,833.08 - Step 5: Solve for x
x = 604,077,542,833.08/867,285.12 - Step 6: Final answer
x = 696,515.52
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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.