Finding the Fourth Proportional to 964,713.44, 1,331,283.84 and 556,783.28
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Solution
The fourth proportional to 964,713.44, 1,331,283.84 and 556,783.28 is: 768,348.98
Step by Step Solution
- Step 1: Write the proportion equation
964,713.44 : 1,331,283.84 = 556,783.28 : x - Step 2: Convert to fraction form
964,713.44/1,331,283.84 = 556,783.28/x - Step 3: Cross multiply
964,713.44x = 1,331,283.84 × 556,783.28 - Step 4: Simplify right side
964,713.44x = 741,236,583,046.20 - Step 5: Solve for x
x = 741,236,583,046.20/964,713.44 - Step 6: Final answer
x = 768,348.98
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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.