Finding the Fourth Proportional to 827,407.44, 1,141,815.49 and 464,823.66
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Solution
The fourth proportional to 827,407.44, 1,141,815.49 and 464,823.66 is: 641,452.85
Step by Step Solution
- Step 1: Write the proportion equation
827,407.44 : 1,141,815.49 = 464,823.66 : x - Step 2: Convert to fraction form
827,407.44/1,141,815.49 = 464,823.66/x - Step 3: Cross multiply
827,407.44x = 1,141,815.49 × 464,823.66 - Step 4: Simplify right side
827,407.44x = 530,742,858,226.24 - Step 5: Solve for x
x = 530,742,858,226.24/827,407.44 - Step 6: Final answer
x = 641,452.85
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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.