Finding the Fourth Proportional to 896,295.60, 1,235,186.64 and 641,203.92
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Solution
The fourth proportional to 896,295.60, 1,235,186.64 and 641,203.92 is: 883,644.32
Step by Step Solution
- Step 1: Write the proportion equation
896,295.60 : 1,235,186.64 = 641,203.92 : x - Step 2: Convert to fraction form
896,295.60/1,235,186.64 = 641,203.92/x - Step 3: Cross multiply
896,295.60x = 1,235,186.64 × 641,203.92 - Step 4: Simplify right side
896,295.60x = 792,006,515,499.63 - Step 5: Solve for x
x = 792,006,515,499.63/896,295.60 - Step 6: Final answer
x = 883,644.32
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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.