Finding the Fourth Proportional to 859,619.02, 1,186,250.79 and 477,635.98
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Solution
The fourth proportional to 859,619.02, 1,186,250.79 and 477,635.98 is: 659,124.62
Step by Step Solution
- Step 1: Write the proportion equation
859,619.02 : 1,186,250.79 = 477,635.98 : x - Step 2: Convert to fraction form
859,619.02/1,186,250.79 = 477,635.98/x - Step 3: Cross multiply
859,619.02x = 1,186,250.79 × 477,635.98 - Step 4: Simplify right side
859,619.02x = 566,596,058,607.42 - Step 5: Solve for x
x = 566,596,058,607.42/859,619.02 - Step 6: Final answer
x = 659,124.62
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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.