Finding the Fourth Proportional to 859,542.36, 1,186,147.14 and 477,570.06
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Solution
The fourth proportional to 859,542.36, 1,186,147.14 and 477,570.06 is: 659,034.84
Step by Step Solution
- Step 1: Write the proportion equation
859,542.36 : 1,186,147.14 = 477,570.06 : x - Step 2: Convert to fraction form
859,542.36/1,186,147.14 = 477,570.06/x - Step 3: Cross multiply
859,542.36x = 1,186,147.14 × 477,570.06 - Step 4: Simplify right side
859,542.36x = 566,468,360,818.63 - Step 5: Solve for x
x = 566,468,360,818.63/859,542.36 - Step 6: Final answer
x = 659,034.84
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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.