Finding the Fourth Proportional to 862,340.64, 1,190,066.88 and 480,367.68
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Solution
The fourth proportional to 862,340.64, 1,190,066.88 and 480,367.68 is: 662,927.90
Step by Step Solution
- Step 1: Write the proportion equation
862,340.64 : 1,190,066.88 = 480,367.68 : x - Step 2: Convert to fraction form
862,340.64/1,190,066.88 = 480,367.68/x - Step 3: Cross multiply
862,340.64x = 1,190,066.88 × 480,367.68 - Step 4: Simplify right side
862,340.64x = 571,669,666,190.44 - Step 5: Solve for x
x = 571,669,666,190.44/862,340.64 - Step 6: Final answer
x = 662,927.90
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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.