Finding the Fourth Proportional to 784,724.52, 1,082,844.99 and 440,481.60
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Solution
The fourth proportional to 784,724.52, 1,082,844.99 and 440,481.60 is: 607,822.59
Step by Step Solution
- Step 1: Write the proportion equation
784,724.52 : 1,082,844.99 = 440,481.60 : x - Step 2: Convert to fraction form
784,724.52/1,082,844.99 = 440,481.60/x - Step 3: Cross multiply
784,724.52x = 1,082,844.99 × 440,481.60 - Step 4: Simplify right side
784,724.52x = 476,973,293,747.18 - Step 5: Solve for x
x = 476,973,293,747.18/784,724.52 - Step 6: Final answer
x = 607,822.59
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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.