Finding the Fourth Proportional to 862,790.19, 1,190,598.15 and 475,588.68
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Solution
The fourth proportional to 862,790.19, 1,190,598.15 and 475,588.68 is: 656,283.54
Step by Step Solution
- Step 1: Write the proportion equation
862,790.19 : 1,190,598.15 = 475,588.68 : x - Step 2: Convert to fraction form
862,790.19/1,190,598.15 = 475,588.68/x - Step 3: Cross multiply
862,790.19x = 1,190,598.15 × 475,588.68 - Step 4: Simplify right side
862,790.19x = 566,235,002,568.94 - Step 5: Solve for x
x = 566,235,002,568.94/862,790.19 - Step 6: Final answer
x = 656,283.54
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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.