Finding the Fourth Proportional to 832,694.44, 1,149,121.20 and 450,721.12
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Solution
The fourth proportional to 832,694.44, 1,149,121.20 and 450,721.12 is: 621,996.70
Step by Step Solution
- Step 1: Write the proportion equation
832,694.44 : 1,149,121.20 = 450,721.12 : x - Step 2: Convert to fraction form
832,694.44/1,149,121.20 = 450,721.12/x - Step 3: Cross multiply
832,694.44x = 1,149,121.20 × 450,721.12 - Step 4: Simplify right side
832,694.44x = 517,933,194,279.74 - Step 5: Solve for x
x = 517,933,194,279.74/832,694.44 - Step 6: Final answer
x = 621,996.70
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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.